x-(-9x)=7+x

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Solution for x-(-9x)=7+x equation:


Simplifying
x + -1(-9x) = 7 + x

Remove parenthesis around (-9x)
x + -1 * -9x = 7 + x

Multiply -1 * -9
x + 9x = 7 + x

Combine like terms: x + 9x = 10x
10x = 7 + x

Solving
10x = 7 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
10x + -1x = 7 + x + -1x

Combine like terms: 10x + -1x = 9x
9x = 7 + x + -1x

Combine like terms: x + -1x = 0
9x = 7 + 0
9x = 7

Divide each side by '9'.
x = 0.7777777778

Simplifying
x = 0.7777777778

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