X-21=6x, 5x-2=7+11, 3(x+1)=2(1-x)+6, 3,2(1-2y)=0,7(3y-1,5)

Question

X-21=6x, 5x-2=7+11, 3(x+1)=2(1-x)+6, 3,2(1-2y)=0,7(3y-1,5)

Comments

x-21=6x

Answer 1

5x-2=7+11            
5×=20
×=20÷5
×=4

Comments

спасибо