Question

3(X+4)-7(2X+5)=7-2(X+3) Решить уравнение!

Answer 1

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Answer 2

3(X+4)-7(2X+5)=7-2(X+3) ;
3х + 12 - 14х - 35 = 7 -2х-6;
3х-14х+2х = 7-6-12 + 35
-9х=24
х = - 249 = - 2 69 = - 2 23.