8x+9=-2x+87

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Solution for 8x+9=-2x+87 equation:


Simplifying
8x + 9 = -2x + 87

Reorder the terms:
9 + 8x = -2x + 87

Reorder the terms:
9 + 8x = 87 + -2x

Solving
9 + 8x = 87 + -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 + 8x + 2x = 87 + -2x + 2x

Combine like terms: 8x + 2x = 10x
9 + 10x = 87 + -2x + 2x

Combine like terms: -2x + 2x = 0
9 + 10x = 87 + 0
9 + 10x = 87

Add '-9' to each side of the equation.
9 + -9 + 10x = 87 + -9

Combine like terms: 9 + -9 = 0
0 + 10x = 87 + -9
10x = 87 + -9

Combine like terms: 87 + -9 = 78
10x = 78

Divide each side by '10'.
x = 7.8

Simplifying
x = 7.8

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