(9x-12)+(10x-18)=122

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Solution for (9x-12)+(10x-18)=122 equation:


Simplifying
(9x + -12) + (10x + -18) = 122

Reorder the terms:
(-12 + 9x) + (10x + -18) = 122

Remove parenthesis around (-12 + 9x)
-12 + 9x + (10x + -18) = 122

Reorder the terms:
-12 + 9x + (-18 + 10x) = 122

Remove parenthesis around (-18 + 10x)
-12 + 9x + -18 + 10x = 122

Reorder the terms:
-12 + -18 + 9x + 10x = 122

Combine like terms: -12 + -18 = -30
-30 + 9x + 10x = 122

Combine like terms: 9x + 10x = 19x
-30 + 19x = 122

Solving
-30 + 19x = 122

Solving for variable 'x'.

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

Add '30' to each side of the equation.
-30 + 30 + 19x = 122 + 30

Combine like terms: -30 + 30 = 0
0 + 19x = 122 + 30
19x = 122 + 30

Combine like terms: 122 + 30 = 152
19x = 152

Divide each side by '19'.
x = 8

Simplifying
x = 8

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