Question

Решите уравнение 8х + 5 (6 - 7х) =  -7x + 10

Answer 1

8x+5(6-7x)+7x-10=0
8x+30-35x+7x-10=0
-20x+20=0
x=1

8+5(6-7)=-7+10
8-5=10-7
3=3

ОТВЕТ 1

Answer 2

8х+5(6-7х)=-7х+10
8х+30-35=-7х+10
8х+7х=-30+35+10
15х=15
х=1