(11x-11)+(10x+2)=138

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Solution for (11x-11)+(10x+2)=138 equation:


Simplifying
(11x + -11) + (10x + 2) = 138

Reorder the terms:
(-11 + 11x) + (10x + 2) = 138

Remove parenthesis around (-11 + 11x)
-11 + 11x + (10x + 2) = 138

Reorder the terms:
-11 + 11x + (2 + 10x) = 138

Remove parenthesis around (2 + 10x)
-11 + 11x + 2 + 10x = 138

Reorder the terms:
-11 + 2 + 11x + 10x = 138

Combine like terms: -11 + 2 = -9
-9 + 11x + 10x = 138

Combine like terms: 11x + 10x = 21x
-9 + 21x = 138

Solving
-9 + 21x = 138

Solving for variable 'x'.

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

Add '9' to each side of the equation.
-9 + 9 + 21x = 138 + 9

Combine like terms: -9 + 9 = 0
0 + 21x = 138 + 9
21x = 138 + 9

Combine like terms: 138 + 9 = 147
21x = 147

Divide each side by '21'.
x = 7

Simplifying
x = 7

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