5(x-10)-6(x-7)=-9(x-8)

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Solution for 5(x-10)-6(x-7)=-9(x-8) equation:


Simplifying
5(x + -10) + -6(x + -7) = -9(x + -8)

Reorder the terms:
5(-10 + x) + -6(x + -7) = -9(x + -8)
(-10 * 5 + x * 5) + -6(x + -7) = -9(x + -8)
(-50 + 5x) + -6(x + -7) = -9(x + -8)

Reorder the terms:
-50 + 5x + -6(-7 + x) = -9(x + -8)
-50 + 5x + (-7 * -6 + x * -6) = -9(x + -8)
-50 + 5x + (42 + -6x) = -9(x + -8)

Reorder the terms:
-50 + 42 + 5x + -6x = -9(x + -8)

Combine like terms: -50 + 42 = -8
-8 + 5x + -6x = -9(x + -8)

Combine like terms: 5x + -6x = -1x
-8 + -1x = -9(x + -8)

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

Solving
-8 + -1x = 72 + -9x

Solving for variable 'x'.

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

Add '9x' to each side of the equation.
-8 + -1x + 9x = 72 + -9x + 9x

Combine like terms: -1x + 9x = 8x
-8 + 8x = 72 + -9x + 9x

Combine like terms: -9x + 9x = 0
-8 + 8x = 72 + 0
-8 + 8x = 72

Add '8' to each side of the equation.
-8 + 8 + 8x = 72 + 8

Combine like terms: -8 + 8 = 0
0 + 8x = 72 + 8
8x = 72 + 8

Combine like terms: 72 + 8 = 80
8x = 80

Divide each side by '8'.
x = 10

Simplifying
x = 10

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