Question

A) 5(x-1)=30 b) 2(x-1)-7=16 c) 7(x-2)=5(x+3)d)2(3x-5)-x=10-3x

Answer 1

a) 5x - 5 = 30
5x=25
x=25/5=5
b) 2x - 2 - 7 = 16
2x - 9 = 16
2x=25
x=12,5
c)7x-14=5×+15
2x=29
x=14,5
d)6x-10-x=10-3x
8x=20
x=2,5