15+2x=-8

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Solution for 15+2x=-8 equation: 


Simplifying
15 + 2x = -8

Solving
15 + 2x = -8

Solving for variable 'x'.

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

Add '-15' to each side of the equation.
15 + -15 + 2x = -8 + -15

Combine like terms: 15 + -15 = 0
0 + 2x = -8 + -15
2x = -8 + -15

Combine like terms: -8 + -15 = -23
2x = -23

Divide each side by '2'.
x = -11.5

Simplifying
x = -11.5

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