6+6(x-4)=99-9(x-9)

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Solution for 6+6(x-4)=99-9(x-9) equation:


Simplifying
6 + 6(x + -4) = 99 + -9(x + -9)

Reorder the terms:
6 + 6(-4 + x) = 99 + -9(x + -9)
6 + (-4 * 6 + x * 6) = 99 + -9(x + -9)
6 + (-24 + 6x) = 99 + -9(x + -9)

Combine like terms: 6 + -24 = -18
-18 + 6x = 99 + -9(x + -9)

Reorder the terms:
-18 + 6x = 99 + -9(-9 + x)
-18 + 6x = 99 + (-9 * -9 + x * -9)
-18 + 6x = 99 + (81 + -9x)

Combine like terms: 99 + 81 = 180
-18 + 6x = 180 + -9x

Solving
-18 + 6x = 180 + -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.
-18 + 6x + 9x = 180 + -9x + 9x

Combine like terms: 6x + 9x = 15x
-18 + 15x = 180 + -9x + 9x

Combine like terms: -9x + 9x = 0
-18 + 15x = 180 + 0
-18 + 15x = 180

Add '18' to each side of the equation.
-18 + 18 + 15x = 180 + 18

Combine like terms: -18 + 18 = 0
0 + 15x = 180 + 18
15x = 180 + 18

Combine like terms: 180 + 18 = 198
15x = 198

Divide each side by '15'.
x = 13.2

Simplifying
x = 13.2

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