Question

(4-x)-(5-2x). 6+2*(1,5x-2). 3(a-2)-(a+4)

Answer 1

4-х-5+2х=0 -х+2х+4-5=0 х-1=0 х=1
6+3х-4=0 3х+2=0 3х=-2 х=-2/3
3а-6-а-4=0 2а-10=0 2а=10 а=10÷2 а=5

Answer 2

4-x-5+2x
-1+x



3(а-2)-(а+4)
3а-6-а-4
2а-6-4
2а-10