{"id":124,"date":"2011-04-12T15:59:10","date_gmt":"2011-04-12T14:59:10","guid":{"rendered":"http:\/\/www.clayinformatique.ch\/mathsenquestions2\/2011\/04\/12\/equations-1ere-partie-melange\/"},"modified":"2016-02-01T17:48:24","modified_gmt":"2016-02-01T16:48:24","slug":"equations-1ere-partie-melange","status":"publish","type":"post","link":"https:\/\/www.clayinformatique.ch\/mathsenquestions2\/?p=124","title":{"rendered":"Equations 1\u00e8re partie – m\u00e9lange"},"content":{"rendered":"

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":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t