12x-7+7x-4=122

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Solution for 12x-7+7x-4=122 equation:


Simplifying
12x + -7 + 7x + -4 = 122

Reorder the terms:
-7 + -4 + 12x + 7x = 122

Combine like terms: -7 + -4 = -11
-11 + 12x + 7x = 122

Combine like terms: 12x + 7x = 19x
-11 + 19x = 122

Solving
-11 + 19x = 122

Solving for variable 'x'.

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

Add '11' to each side of the equation.
-11 + 11 + 19x = 122 + 11

Combine like terms: -11 + 11 = 0
0 + 19x = 122 + 11
19x = 122 + 11

Combine like terms: 122 + 11 = 133
19x = 133

Divide each side by '19'.
x = 7

Simplifying
x = 7

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