8x+4=4x
5x−2=3x+1
3x=21
2-x=x-8
50+x=120
1−9x=−2
2−5x=17
2x + 2 = 10
2x/3=8
3+x−2=3+1
x = 4
x = 3
5 = x
x = 3/2
x=7
x = 12
x = 70
x = 1
x = 1/3
x = -3
