3(x-7)-(-9x-3)=11x

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Solution for 3(x-7)-(-9x-3)=11x equation:


Simplifying
3(x + -7) + -1(-9x + -3) = 11x

Reorder the terms:
3(-7 + x) + -1(-9x + -3) = 11x
(-7 * 3 + x * 3) + -1(-9x + -3) = 11x
(-21 + 3x) + -1(-9x + -3) = 11x

Reorder the terms:
-21 + 3x + -1(-3 + -9x) = 11x
-21 + 3x + (-3 * -1 + -9x * -1) = 11x
-21 + 3x + (3 + 9x) = 11x

Reorder the terms:
-21 + 3 + 3x + 9x = 11x

Combine like terms: -21 + 3 = -18
-18 + 3x + 9x = 11x

Combine like terms: 3x + 9x = 12x
-18 + 12x = 11x

Solving
-18 + 12x = 11x

Solving for variable 'x'.

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

Add '-11x' to each side of the equation.
-18 + 12x + -11x = 11x + -11x

Combine like terms: 12x + -11x = 1x
-18 + 1x = 11x + -11x

Combine like terms: 11x + -11x = 0
-18 + 1x = 0

Add '18' to each side of the equation.
-18 + 18 + 1x = 0 + 18

Combine like terms: -18 + 18 = 0
0 + 1x = 0 + 18
1x = 0 + 18

Combine like terms: 0 + 18 = 18
1x = 18

Divide each side by '1'.
x = 18

Simplifying
x = 18

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