Question

a) 2 (x +5)=5 b) 3 (x-4)=6
c) 5 (x-1)= -20 d) 6(x+7)= -8
e) 4 (x+5)=9 f) 2 (x-3)=15

Answer 1

a)
2(x+5)=5
2x+10=5
2x=5-10
2x= -5
x= -5/2

b)
3(x-4)=6
3x-12=6
3x=6+12
3x=18
x=18/3
x=6

c)
5(x-1)= -20
5x-5= -20
5x= -20+5
5x= -15/5
x= -15/5
x= -3

d)
6(x+7)= -8
6x+42= -8
6x= -8-42
6x= -50
x= -50/6
x= -25/3

e)
4(x+5)=9
4x+20=9
4x=9-20
4x= -11
x= -11/4

f)
2(x-3)=15
2x-6=15
2x=15+6
2x=21
x=21/2