d) 7x + 14 = 5x - 22 | - 5x
2x + 14 = - 22 | - 14
2x = -36 | :2
x = -18
e) 2x - 4 + 5x = x + 2
7x - 4 = x + 2 | -x
6x - 4 = 2 | +4
6x = 6 | :6
x = 1
f) -3 + 2x - 6 = 3 - 4x | +4x
-3 + 6x - 6 = 3 | +3
6x - 6 = 6 | +6
6x = 12 | :6
x = 2
g) 7x + 2 = 5 + 3x + 9 | -3x
4x + 2 = 14 | -2
4x = 12 | :4
x = 3
h) -5x + 12 + x = 2x - 12 | -2x
-6x + 12 = - 12 | -12
-6x = -24 | :(-6)
x = 4
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d) 7x + 14 = 5x - 22 | - 5x
2x + 14 = - 22 | - 14
2x = -36 | :2
x = -18
e) 2x - 4 + 5x = x + 2
7x - 4 = x + 2 | -x
6x - 4 = 2 | +4
6x = 6 | :6
x = 1
f) -3 + 2x - 6 = 3 - 4x | +4x
-3 + 6x - 6 = 3 | +3
6x - 6 = 6 | +6
6x = 12 | :6
x = 2
g) 7x + 2 = 5 + 3x + 9 | -3x
4x + 2 = 14 | -2
4x = 12 | :4
x = 3
h) -5x + 12 + x = 2x - 12 | -2x
-6x + 12 = - 12 | -12
-6x = -24 | :(-6)
x = 4