Question

5(2x - 5)= 7 ( 2x - 7)
x (x + 3) - x ( x - 8 ) = 3(x - 4 ) - 4
5 - ( 2x - 1 ) = 9 - (2 +3x)

Answer 1

1) 10X-25=14X-49

49-25=14X-10X

24=4X

24/4=X

6=X

2) X²+3X-X²+8X=3X-12-4

11X=3X-16

11X-3X=-16

8X=-16

X=-16/8

X=-2

3) 5-2X+1=9-2-3X

6-2X=7-3X

3X-2X=7-6

X=1