5x+2+7x-6=90

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Solution for 5x+2+7x-6=90 equation:


Simplifying
5x + 2 + 7x + -6 = 90

Reorder the terms:
2 + -6 + 5x + 7x = 90

Combine like terms: 2 + -6 = -4
-4 + 5x + 7x = 90

Combine like terms: 5x + 7x = 12x
-4 + 12x = 90

Solving
-4 + 12x = 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 + 12x = 90 + 4

Combine like terms: -4 + 4 = 0
0 + 12x = 90 + 4
12x = 90 + 4

Combine like terms: 90 + 4 = 94
12x = 94

Divide each side by '12'.
x = 7.833333333

Simplifying
x = 7.833333333

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