-1+2x+7x=-1

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Solution for -1+2x+7x=-1 equation:


Simplifying
-1 + 2x + 7x = -1

Combine like terms: 2x + 7x = 9x
-1 + 9x = -1

Add '1' to each side of the equation.
-1 + 1 + 9x = -1 + 1

Combine like terms: -1 + 1 = 0
0 + 9x = -1 + 1
9x = -1 + 1

Combine like terms: -1 + 1 = 0
9x = 0

Solving
9x = 0

Solving for variable 'x'.

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

Divide each side by '9'.
x = 0

Simplifying
x = 0

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