Question

A) X + 8 = 8
B) 5X + 2X - 1 = 3X + 7
C) X + 2 = 3/7
D) 7X - (X + 2) = 4

Answer 1

a) x=8-8
x=0

b) 5x+2x-1=3x+7
7x-3x=7+1
4x=8
x=8/4
x=2

c) x+2=3/7

7x+14=3
7x=3-14
7x=-11
x=-11/7

d) 7x - (x+2)=4
7x-x-2=4
6x=4+2
6x=6
x=6/6
x=1

Answer 2

a) x=8-8
x=0
b) 5x+2x-1=3x+7
7x-3x=7+1
4x=8
x=8/4
x=2
c) x+2=3/7
7x+14=3
7x=3-14
7x=-11
x=-11/7
d) 7x - (x+2)=4
7x-x-2=4
6x=4+2
6x=6
x=6/6
x=1