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

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


Simplifying
8(x + -9) + 9 = 8x + -9(9 + -1x)

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

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

Combine like terms: -72 + 9 = -63
-63 + 8x = 8x + -9(9 + -1x)
-63 + 8x = 8x + (9 * -9 + -1x * -9)
-63 + 8x = 8x + (-81 + 9x)

Reorder the terms:
-63 + 8x = -81 + 8x + 9x

Combine like terms: 8x + 9x = 17x
-63 + 8x = -81 + 17x

Solving
-63 + 8x = -81 + 17x

Solving for variable 'x'.

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

Add '-17x' to each side of the equation.
-63 + 8x + -17x = -81 + 17x + -17x

Combine like terms: 8x + -17x = -9x
-63 + -9x = -81 + 17x + -17x

Combine like terms: 17x + -17x = 0
-63 + -9x = -81 + 0
-63 + -9x = -81

Add '63' to each side of the equation.
-63 + 63 + -9x = -81 + 63

Combine like terms: -63 + 63 = 0
0 + -9x = -81 + 63
-9x = -81 + 63

Combine like terms: -81 + 63 = -18
-9x = -18

Divide each side by '-9'.
x = 2

Simplifying
x = 2

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