10x+15=2x-9

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


Simplifying
10x + 15 = 2x + -9

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

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

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

Combine like terms: 10x + -2x = 8x
15 + 8x = -9 + 2x + -2x

Combine like terms: 2x + -2x = 0
15 + 8x = -9 + 0
15 + 8x = -9

Add '-15' to each side of the equation.
15 + -15 + 8x = -9 + -15

Combine like terms: 15 + -15 = 0
0 + 8x = -9 + -15
8x = -9 + -15

Combine like terms: -9 + -15 = -24
8x = -24

Divide each side by '8'.
x = -3

Simplifying
x = -3

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