9x+10-1=90

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Solution for 9x+10-1=90 equation:


Simplifying
9x + 10 + -1 = 90

Reorder the terms:
10 + -1 + 9x = 90

Combine like terms: 10 + -1 = 9
9 + 9x = 90

Solving
9 + 9x = 90

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 = 90 + -9

Combine like terms: 9 + -9 = 0
0 + 9x = 90 + -9
9x = 90 + -9

Combine like terms: 90 + -9 = 81
9x = 81

Divide each side by '9'.
x = 9

Simplifying
x = 9

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