11x+14-7x-5=39-x
5.(x+3)-11=2x+19
4x+1+2.(5+x)=x+71
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11x + 14 - 7x - 5 = 39 - x
11x - 7x + 14 - 5 = 39 - x
4x + 9 = 39 - x
4x + x = 39 - 9
5x = 30
x = 30/5
x = 6
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5 (x + 3) - 11 = 2x + 19
5x + 15 - 11 = 2x + 19
5x + 4 = 2x + 19
5x - 2x = 19 - 4
3x = 15
x = 15/3
x = 5
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4x + 1 + 2 (5 + x) = x + 71
4x + 1 + 10 + 2x = x + 71
6x + 11 = x + 71
6x - x = 71 - 11
5x = 60
x = 60/5
x = 12
11x - 7x + 14 - 5 = 39 - x
4x + 9 = 39 - x
4x + x = 39 - 9
5x = 30
x = 30/5
x = 6
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5 (x + 3) - 11 = 2x + 19
5x + 15 - 11 = 2x + 19
5x + 4 = 2x + 19
5x - 2x = 19 - 4
3x = 15
x = 15/3
x = 5
----------------------------------
4x + 1 + 2 (5 + x) = x + 71
4x + 1 + 10 + 2x = x + 71
6x + 11 = x + 71
6x - x = 71 - 11
5x = 60
x = 60/5
x = 12
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