8x+9-4x=5x-2(-x+9)

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Solution for 8x+9-4x=5x-2(-x+9) equation:


Simplifying
8x + 9 + -4x = 5x + -2(-1x + 9)

Reorder the terms:
9 + 8x + -4x = 5x + -2(-1x + 9)

Combine like terms: 8x + -4x = 4x
9 + 4x = 5x + -2(-1x + 9)

Reorder the terms:
9 + 4x = 5x + -2(9 + -1x)
9 + 4x = 5x + (9 * -2 + -1x * -2)
9 + 4x = 5x + (-18 + 2x)

Reorder the terms:
9 + 4x = -18 + 5x + 2x

Combine like terms: 5x + 2x = 7x
9 + 4x = -18 + 7x

Solving
9 + 4x = -18 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
9 + 4x + -7x = -18 + 7x + -7x

Combine like terms: 4x + -7x = -3x
9 + -3x = -18 + 7x + -7x

Combine like terms: 7x + -7x = 0
9 + -3x = -18 + 0
9 + -3x = -18

Add '-9' to each side of the equation.
9 + -9 + -3x = -18 + -9

Combine like terms: 9 + -9 = 0
0 + -3x = -18 + -9
-3x = -18 + -9

Combine like terms: -18 + -9 = -27
-3x = -27

Divide each side by '-3'.
x = 9

Simplifying
x = 9

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