12x-3+7x-2=90

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Solution for 12x-3+7x-2=90 equation:


Simplifying
12x + -3 + 7x + -2 = 90

Reorder the terms:
-3 + -2 + 12x + 7x = 90

Combine like terms: -3 + -2 = -5
-5 + 12x + 7x = 90

Combine like terms: 12x + 7x = 19x
-5 + 19x = 90

Solving
-5 + 19x = 90

Solving for variable 'x'.

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

Add '5' to each side of the equation.
-5 + 5 + 19x = 90 + 5

Combine like terms: -5 + 5 = 0
0 + 19x = 90 + 5
19x = 90 + 5

Combine like terms: 90 + 5 = 95
19x = 95

Divide each side by '19'.
x = 5

Simplifying
x = 5

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