9x+10-1=80

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Solution for 9x+10-1=80 equation:


Simplifying
9x + 10 + -1 = 80

Reorder the terms:
10 + -1 + 9x = 80

Combine like terms: 10 + -1 = 9
9 + 9x = 80

Solving
9 + 9x = 80

Solving for variable 'x'.

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

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

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

Combine like terms: 80 + -9 = 71
9x = 71

Divide each side by '9'.
x = 7.888888889

Simplifying
x = 7.888888889

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