Question

решите уравнение:-4(3-x)=2x+7

Answer 1

-4(3-x)=2x+7
-12+4x=2x+7
2x=19
x=9,5

Answer 2

-4(3-х)=2х+7
-4*3-(-4*3)=2х+7
-12+12=2х+7
2х+7=0
2х=0-7
2х=-7
х=-7/2
х=-3,5