9=2x+5(x-8)

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


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

Reorder the terms:
9 = 2x + 5(-8 + x)
9 = 2x + (-8 * 5 + x * 5)
9 = 2x + (-40 + 5x)

Reorder the terms:
9 = -40 + 2x + 5x

Combine like terms: 2x + 5x = 7x
9 = -40 + 7x

Solving
9 = -40 + 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 + -7x = -40 + 7x + -7x

Combine like terms: 7x + -7x = 0
9 + -7x = -40 + 0
9 + -7x = -40

Add '-9' to each side of the equation.
9 + -9 + -7x = -40 + -9

Combine like terms: 9 + -9 = 0
0 + -7x = -40 + -9
-7x = -40 + -9

Combine like terms: -40 + -9 = -49
-7x = -49

Divide each side by '-7'.
x = 7

Simplifying
x = 7

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