12x-6+7x+9=155

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Solution for 12x-6+7x+9=155 equation:


Simplifying
12x + -6 + 7x + 9 = 155

Reorder the terms:
-6 + 9 + 12x + 7x = 155

Combine like terms: -6 + 9 = 3
3 + 12x + 7x = 155

Combine like terms: 12x + 7x = 19x
3 + 19x = 155

Solving
3 + 19x = 155

Solving for variable 'x'.

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

Add '-3' to each side of the equation.
3 + -3 + 19x = 155 + -3

Combine like terms: 3 + -3 = 0
0 + 19x = 155 + -3
19x = 155 + -3

Combine like terms: 155 + -3 = 152
19x = 152

Divide each side by '19'.
x = 8

Simplifying
x = 8

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