-5x+15+7x+15=-6

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Solution for -5x+15+7x+15=-6 equation:


Simplifying
-5x + 15 + 7x + 15 = -6

Reorder the terms:
15 + 15 + -5x + 7x = -6

Combine like terms: 15 + 15 = 30
30 + -5x + 7x = -6

Combine like terms: -5x + 7x = 2x
30 + 2x = -6

Solving
30 + 2x = -6

Solving for variable 'x'.

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

Add '-30' to each side of the equation.
30 + -30 + 2x = -6 + -30

Combine like terms: 30 + -30 = 0
0 + 2x = -6 + -30
2x = -6 + -30

Combine like terms: -6 + -30 = -36
2x = -36

Divide each side by '2'.
x = -18

Simplifying
x = -18

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