Question

-8x+4(7+8x)=4x+7 пожалуйста помогите

Answer 1

-8х+28+32х=4х+7
-8х+32х-4х=-28+7
-20х=-21
-х=-1.05
х=1.05

Answer 2

-8х+4(7+8х)=4х+7
-8х+28+32х=4х+7
-8х+32х-4х=7-28
20х=-21
х=-21/20