5(x-8)-9(x-7)=-7x

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Solution for 5(x-8)-9(x-7)=-7x equation:


Simplifying
5(x + -8) + -9(x + -7) = -7x

Reorder the terms:
5(-8 + x) + -9(x + -7) = -7x
(-8 * 5 + x * 5) + -9(x + -7) = -7x
(-40 + 5x) + -9(x + -7) = -7x

Reorder the terms:
-40 + 5x + -9(-7 + x) = -7x
-40 + 5x + (-7 * -9 + x * -9) = -7x
-40 + 5x + (63 + -9x) = -7x

Reorder the terms:
-40 + 63 + 5x + -9x = -7x

Combine like terms: -40 + 63 = 23
23 + 5x + -9x = -7x

Combine like terms: 5x + -9x = -4x
23 + -4x = -7x

Solving
23 + -4x = -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.
23 + -4x + 7x = -7x + 7x

Combine like terms: -4x + 7x = 3x
23 + 3x = -7x + 7x

Combine like terms: -7x + 7x = 0
23 + 3x = 0

Add '-23' to each side of the equation.
23 + -23 + 3x = 0 + -23

Combine like terms: 23 + -23 = 0
0 + 3x = 0 + -23
3x = 0 + -23

Combine like terms: 0 + -23 = -23
3x = -23

Divide each side by '3'.
x = -7.666666667

Simplifying
x = -7.666666667

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