9x-20+7x+18=90

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Solution for 9x-20+7x+18=90 equation:


Simplifying
9x + -20 + 7x + 18 = 90

Reorder the terms:
-20 + 18 + 9x + 7x = 90

Combine like terms: -20 + 18 = -2
-2 + 9x + 7x = 90

Combine like terms: 9x + 7x = 16x
-2 + 16x = 90

Solving
-2 + 16x = 90

Solving for variable 'x'.

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

Add '2' to each side of the equation.
-2 + 2 + 16x = 90 + 2

Combine like terms: -2 + 2 = 0
0 + 16x = 90 + 2
16x = 90 + 2

Combine like terms: 90 + 2 = 92
16x = 92

Divide each side by '16'.
x = 5.75

Simplifying
x = 5.75

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