10x+9=-2x-15

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Solution for 10x+9=-2x-15 equation:


Simplifying
10x + 9 = -2x + -15

Reorder the terms:
9 + 10x = -2x + -15

Reorder the terms:
9 + 10x = -15 + -2x

Solving
9 + 10x = -15 + -2x

Solving for variable 'x'.

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

Add '2x' to each side of the equation.
9 + 10x + 2x = -15 + -2x + 2x

Combine like terms: 10x + 2x = 12x
9 + 12x = -15 + -2x + 2x

Combine like terms: -2x + 2x = 0
9 + 12x = -15 + 0
9 + 12x = -15

Add '-9' to each side of the equation.
9 + -9 + 12x = -15 + -9

Combine like terms: 9 + -9 = 0
0 + 12x = -15 + -9
12x = -15 + -9

Combine like terms: -15 + -9 = -24
12x = -24

Divide each side by '12'.
x = -2

Simplifying
x = -2

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