8x+9x-90=84

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Solution for 8x+9x-90=84 equation:


Simplifying
8x + 9x + -90 = 84

Reorder the terms:
-90 + 8x + 9x = 84

Combine like terms: 8x + 9x = 17x
-90 + 17x = 84

Solving
-90 + 17x = 84

Solving for variable 'x'.

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

Add '90' to each side of the equation.
-90 + 90 + 17x = 84 + 90

Combine like terms: -90 + 90 = 0
0 + 17x = 84 + 90
17x = 84 + 90

Combine like terms: 84 + 90 = 174
17x = 174

Divide each side by '17'.
x = 10.23529412

Simplifying
x = 10.23529412

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