14x+7-20x+15=90

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Solution for 14x+7-20x+15=90 equation:


Simplifying
14x + 7 + -20x + 15 = 90

Reorder the terms:
7 + 15 + 14x + -20x = 90

Combine like terms: 7 + 15 = 22
22 + 14x + -20x = 90

Combine like terms: 14x + -20x = -6x
22 + -6x = 90

Solving
22 + -6x = 90

Solving for variable 'x'.

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

Add '-22' to each side of the equation.
22 + -22 + -6x = 90 + -22

Combine like terms: 22 + -22 = 0
0 + -6x = 90 + -22
-6x = 90 + -22

Combine like terms: 90 + -22 = 68
-6x = 68

Divide each side by '-6'.
x = -11.33333333

Simplifying
x = -11.33333333

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