7x+15=9x-8.6

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Solution for 7x+15=9x-8.6 equation:


Simplifying
7x + 15 = 9x + -8.6

Reorder the terms:
15 + 7x = 9x + -8.6

Reorder the terms:
15 + 7x = -8.6 + 9x

Solving
15 + 7x = -8.6 + 9x

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
15 + 7x + -9x = -8.6 + 9x + -9x

Combine like terms: 7x + -9x = -2x
15 + -2x = -8.6 + 9x + -9x

Combine like terms: 9x + -9x = 0
15 + -2x = -8.6 + 0
15 + -2x = -8.6

Add '-15' to each side of the equation.
15 + -15 + -2x = -8.6 + -15

Combine like terms: 15 + -15 = 0
0 + -2x = -8.6 + -15
-2x = -8.6 + -15

Combine like terms: -8.6 + -15 = -23.6
-2x = -23.6

Divide each side by '-2'.
x = 11.8

Simplifying
x = 11.8

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