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2x = 3 (14)
2x =42
x = 42/2
x = 21
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(x - 1)/2 = 1
x - 1 = 1 (2)
x - 1 = 2
x = 2 + 1
x = 3
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(2x + 3)/4 = 1
2x + 3 = 1 (4)
2x + 3 = 4
2x = 4 - 3
2x = 1
x = 1/2
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(5x - 1)/2 = 3
5x - 1 = 2 (3)
5x - 1 = 6
5x = 6 + 1
5x = 7
x = 7/5
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(3x + 2)/4 = 1
3x + 2 = 1 (4)
3x + 2 = 4
3x = 4 - 2
3x = 2
x = 2/3