1. \u00a0\u00a0 R\u00e9sous les \u00e9quations suivantes\u00a0:<\/p>\n
a)\u00a0\u00a0\u00a0 25x – 30 – 7 (2x + 3) = 4x \u2013 2\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 b)\u00a0 -3 (9x + 2) = – 28x – 15<\/p>\n
c)\u00a0\u00a0\u00a0 2 (3 + x) – 5 = – (x – 7) + 3x – 6\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 d)\u00a0 – 2x + 3 (2x + 7) – 9 = 0<\/p>\n
2.<\/p>\n
Fran\u00e7ois a 10 ans et son p\u00e8re 32. Quand l’\u00e2ge de Fran\u00e7ois sera-t-il la moiti\u00e9 de celui de son p\u00e8re ?<\/p>\n
3.<\/p>\n
Dans 5 ans, Nadine aura le triple de l’\u00e2ge de Nicole.<\/p>\n
Ensembles, elles ont aujourd’hui 34 ans . Quel est l’\u00e2ge de chacune aujourd’hui ?<\/p>\n
4.<\/p>\n
Si l’on ajoute 12 au double d’un nombre et si l’on retranche 30 au quintuple du m\u00eame nombre, les r\u00e9sultats sont \u00e9gaux. Quel est ce nombre ?<\/p>\n
5.<\/p>\n
Trouve les dimensions d’un terrain rectangulaire sachant que son p\u00e9rim\u00e8tre mesure 372 m et que la largeur et la longueur ont une diff\u00e9rence de 15 m.<\/p>\n
Corrig\u00e9s<\/strong><\/a><\/em><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":" 1. \u00a0\u00a0 R\u00e9sous les \u00e9quations suivantes\u00a0: a)\u00a0\u00a0\u00a0 25x – 30 – 7 (2x + 3) = 4x \u2013 2\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 b)\u00a0 -3 (9x + 2) = – 28x – 15 c)\u00a0\u00a0\u00a0 2 (3 + x) – 5 = – (x – 7) + 3x – 6\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 d)\u00a0 – 2x + 3 (2x + 7) – 9 Read More…<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[],"class_list":["post-124","post","type-post","status-publish","format-standard","hentry","category-geometrie-10eme"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.clayinformatique.ch\/mathsenquestions2\/index.php?rest_route=\/wp\/v2\/posts\/124","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.clayinformatique.ch\/mathsenquestions2\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.clayinformatique.ch\/mathsenquestions2\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.clayinformatique.ch\/mathsenquestions2\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.clayinformatique.ch\/mathsenquestions2\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=124"}],"version-history":[{"count":0,"href":"https:\/\/www.clayinformatique.ch\/mathsenquestions2\/index.php?rest_route=\/wp\/v2\/posts\/124\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.clayinformatique.ch\/mathsenquestions2\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=124"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.clayinformatique.ch\/mathsenquestions2\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=124"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.clayinformatique.ch\/mathsenquestions2\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=124"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}