9(x+8)=5[x-(9-x)]

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Solution for 9(x+8)=5[x-(9-x)] equation:


Simplifying
9(x + 8) = 5[x + -1(9 + -1x)]

Reorder the terms:
9(8 + x) = 5[x + -1(9 + -1x)]
(8 * 9 + x * 9) = 5[x + -1(9 + -1x)]
(72 + 9x) = 5[x + -1(9 + -1x)]
72 + 9x = 5[x + (9 * -1 + -1x * -1)]
72 + 9x = 5[x + (-9 + 1x)]

Reorder the terms:
72 + 9x = 5[-9 + x + 1x]

Combine like terms: x + 1x = 2x
72 + 9x = 5[-9 + 2x]
72 + 9x = [-9 * 5 + 2x * 5]
72 + 9x = [-45 + 10x]

Solving
72 + 9x = -45 + 10x

Solving for variable 'x'.

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

Add '-10x' to each side of the equation.
72 + 9x + -10x = -45 + 10x + -10x

Combine like terms: 9x + -10x = -1x
72 + -1x = -45 + 10x + -10x

Combine like terms: 10x + -10x = 0
72 + -1x = -45 + 0
72 + -1x = -45

Add '-72' to each side of the equation.
72 + -72 + -1x = -45 + -72

Combine like terms: 72 + -72 = 0
0 + -1x = -45 + -72
-1x = -45 + -72

Combine like terms: -45 + -72 = -117
-1x = -117

Divide each side by '-1'.
x = 117

Simplifying
x = 117

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