Variable (a) on one side only
a + 4 = 9
a = 5
b + 3 = 5 - b
b = 1
x/2 = 4
x = 8
x / 6 = 3x / 18
x = 1
(x / 3) + (x / 4) = 7
x = 12
2a - 3 = 9
2b + 10 = 7b - 15
b = 5
x/3 + 4 = 10
x = 18
(x+1)/3=(x−1)/5
x = -4
(2x+3) / 5 − (x−2) / 2 = 1
x = -4
4 x 4 + 8a = 40
a = 3
b = -7
3(x + 1) / 2 = 12
x = 7
(4x−1)/7=(3x+2)/4
x = -18/5
(x+3) / 5 − (x−1) / 4 = 1
x = -3
9a + 4(a + 3) = 64
a = 4
3(3b + 4) = 3(8 - b)
b = 1
4(2x + 2) = 14(x - 4)
x = 32 / 3
5 / (2x−1) = 3 / (x+2)
x = 13
(x−2) / 3 + (x+1) / 4 = (2x−5) / 2
x = 5
40a - 5(3a - 3) = 190
a = 7
12b + 60 = 6(6b-20)
b = 15 / 2
3(x + 3) / 5 = 5(x - 5) / 3
x = 19/2
simplified from x = 152/16
x / 2 = 1 + (x / 4)
x = 4
x(9+x) = 16x
x = 7