3x-1+15x-17=129

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Solution for 3x-1+15x-17=129 equation:


Simplifying
3x + -1 + 15x + -17 = 129

Reorder the terms:
-1 + -17 + 3x + 15x = 129

Combine like terms: -1 + -17 = -18
-18 + 3x + 15x = 129

Combine like terms: 3x + 15x = 18x
-18 + 18x = 129

Solving
-18 + 18x = 129

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '18' to each side of the equation.
-18 + 18 + 18x = 129 + 18

Combine like terms: -18 + 18 = 0
0 + 18x = 129 + 18
18x = 129 + 18

Combine like terms: 129 + 18 = 147
18x = 147

Divide each side by '18'.
x = 8.166666667

Simplifying
x = 8.166666667

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