80=7x+2x-10

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Solution for 80=7x+2x-10 equation:


Simplifying
80 = 7x + 2x + -10

Reorder the terms:
80 = -10 + 7x + 2x

Combine like terms: 7x + 2x = 9x
80 = -10 + 9x

Solving
80 = -10 + 9x

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
80 + -9x = -10 + 9x + -9x

Combine like terms: 9x + -9x = 0
80 + -9x = -10 + 0
80 + -9x = -10

Add '-80' to each side of the equation.
80 + -80 + -9x = -10 + -80

Combine like terms: 80 + -80 = 0
0 + -9x = -10 + -80
-9x = -10 + -80

Combine like terms: -10 + -80 = -90
-9x = -90

Divide each side by '-9'.
x = 10

Simplifying
x = 10

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