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

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


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

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

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

Combine like terms: 9 + 8 = 17
9 + 4x = 17 + -8x

Solving
9 + 4x = 17 + -8x

Solving for variable 'x'.

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

Add '8x' to each side of the equation.
9 + 4x + 8x = 17 + -8x + 8x

Combine like terms: 4x + 8x = 12x
9 + 12x = 17 + -8x + 8x

Combine like terms: -8x + 8x = 0
9 + 12x = 17 + 0
9 + 12x = 17

Add '-9' to each side of the equation.
9 + -9 + 12x = 17 + -9

Combine like terms: 9 + -9 = 0
0 + 12x = 17 + -9
12x = 17 + -9

Combine like terms: 17 + -9 = 8
12x = 8

Divide each side by '12'.
x = 0.6666666667

Simplifying
x = 0.6666666667

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