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

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


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

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

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

Combine like terms: 9x + -5x = 4x
40 + 4x = 5(x + 9)

Reorder the terms:
40 + 4x = 5(9 + x)
40 + 4x = (9 * 5 + x * 5)
40 + 4x = (45 + 5x)

Solving
40 + 4x = 45 + 5x

Solving for variable 'x'.

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

Add '-5x' to each side of the equation.
40 + 4x + -5x = 45 + 5x + -5x

Combine like terms: 4x + -5x = -1x
40 + -1x = 45 + 5x + -5x

Combine like terms: 5x + -5x = 0
40 + -1x = 45 + 0
40 + -1x = 45

Add '-40' to each side of the equation.
40 + -40 + -1x = 45 + -40

Combine like terms: 40 + -40 = 0
0 + -1x = 45 + -40
-1x = 45 + -40

Combine like terms: 45 + -40 = 5
-1x = 5

Divide each side by '-1'.
x = -5

Simplifying
x = -5

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