3x-14-12x+9=90

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Solution for 3x-14-12x+9=90 equation:


Simplifying
3x + -14 + -12x + 9 = 90

Reorder the terms:
-14 + 9 + 3x + -12x = 90

Combine like terms: -14 + 9 = -5
-5 + 3x + -12x = 90

Combine like terms: 3x + -12x = -9x
-5 + -9x = 90

Solving
-5 + -9x = 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 + -9x = 90 + 5

Combine like terms: -5 + 5 = 0
0 + -9x = 90 + 5
-9x = 90 + 5

Combine like terms: 90 + 5 = 95
-9x = 95

Divide each side by '-9'.
x = -10.55555556

Simplifying
x = -10.55555556

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