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4x + 8 = 28
4x = 28 - 8
4x = 20
x = 20/4
x = 5
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36 + 59 = (209x + 10)/2
95 = (209x + 10)/2
2 (95) = 209x + 10
190 = 209x + 10
190 - 10 = 209x
180 = 209x
180/209 = x
x = 180/209
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(x + 6) * 9 + 19 = 181
(x + 6) * 28 = 181
28 (x + 6) = 181
28x + 168 = 181
28x = 181 - 168
28x = 13
x = 13/28
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17x - 5 = 5 (2x + 1) - 3
17x - 5 = 10x + 5 - 3
17x - 5 = 10x + 2
17x - 10x = 2 + 5
7x = 7
x = 7/7
x = 1
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3 (x - 6) = (2x + 1) * 5 - 8 * 9
3x - 18 = (2x + 1) * 5 - 72
3x - 18 = (2x + 1) * - 67
3x - 18 = - 67 (2x + 1)
3x - 18 = - 134x - 67
3x + 134x = - 67 + 18
137x = - 49
x = - 49/137