8x-64+9x-16=90

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Solution for 8x-64+9x-16=90 equation:


Simplifying
8x + -64 + 9x + -16 = 90

Reorder the terms:
-64 + -16 + 8x + 9x = 90

Combine like terms: -64 + -16 = -80
-80 + 8x + 9x = 90

Combine like terms: 8x + 9x = 17x
-80 + 17x = 90

Solving
-80 + 17x = 90

Solving for variable 'x'.

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

Add '80' to each side of the equation.
-80 + 80 + 17x = 90 + 80

Combine like terms: -80 + 80 = 0
0 + 17x = 90 + 80
17x = 90 + 80

Combine like terms: 90 + 80 = 170
17x = 170

Divide each side by '17'.
x = 10

Simplifying
x = 10

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