12x-4+8x+8=90

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Solution for 12x-4+8x+8=90 equation:


Simplifying
12x + -4 + 8x + 8 = 90

Reorder the terms:
-4 + 8 + 12x + 8x = 90

Combine like terms: -4 + 8 = 4
4 + 12x + 8x = 90

Combine like terms: 12x + 8x = 20x
4 + 20x = 90

Solving
4 + 20x = 90

Solving for variable 'x'.

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

Add '-4' to each side of the equation.
4 + -4 + 20x = 90 + -4

Combine like terms: 4 + -4 = 0
0 + 20x = 90 + -4
20x = 90 + -4

Combine like terms: 90 + -4 = 86
20x = 86

Divide each side by '20'.
x = 4.3

Simplifying
x = 4.3

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