8(x-9)-9(x-8)=x+8(x-4)

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Solution for 8(x-9)-9(x-8)=x+8(x-4) equation:


Simplifying
8(x + -9) + -9(x + -8) = x + 8(x + -4)

Reorder the terms:
8(-9 + x) + -9(x + -8) = x + 8(x + -4)
(-9 * 8 + x * 8) + -9(x + -8) = x + 8(x + -4)
(-72 + 8x) + -9(x + -8) = x + 8(x + -4)

Reorder the terms:
-72 + 8x + -9(-8 + x) = x + 8(x + -4)
-72 + 8x + (-8 * -9 + x * -9) = x + 8(x + -4)
-72 + 8x + (72 + -9x) = x + 8(x + -4)

Reorder the terms:
-72 + 72 + 8x + -9x = x + 8(x + -4)

Combine like terms: -72 + 72 = 0
0 + 8x + -9x = x + 8(x + -4)
8x + -9x = x + 8(x + -4)

Combine like terms: 8x + -9x = -1x
-1x = x + 8(x + -4)

Reorder the terms:
-1x = x + 8(-4 + x)
-1x = x + (-4 * 8 + x * 8)
-1x = x + (-32 + 8x)

Reorder the terms:
-1x = -32 + x + 8x

Combine like terms: x + 8x = 9x
-1x = -32 + 9x

Solving
-1x = -32 + 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.
-1x + -9x = -32 + 9x + -9x

Combine like terms: -1x + -9x = -10x
-10x = -32 + 9x + -9x

Combine like terms: 9x + -9x = 0
-10x = -32 + 0
-10x = -32

Divide each side by '-10'.
x = 3.2

Simplifying
x = 3.2

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