69=5x+7(x-9)

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Solution for 69=5x+7(x-9) equation:


Simplifying
69 = 5x + 7(x + -9)

Reorder the terms:
69 = 5x + 7(-9 + x)
69 = 5x + (-9 * 7 + x * 7)
69 = 5x + (-63 + 7x)

Reorder the terms:
69 = -63 + 5x + 7x

Combine like terms: 5x + 7x = 12x
69 = -63 + 12x

Solving
69 = -63 + 12x

Solving for variable 'x'.

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

Add '-12x' to each side of the equation.
69 + -12x = -63 + 12x + -12x

Combine like terms: 12x + -12x = 0
69 + -12x = -63 + 0
69 + -12x = -63

Add '-69' to each side of the equation.
69 + -69 + -12x = -63 + -69

Combine like terms: 69 + -69 = 0
0 + -12x = -63 + -69
-12x = -63 + -69

Combine like terms: -63 + -69 = -132
-12x = -132

Divide each side by '-12'.
x = 11

Simplifying
x = 11

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