10-(-2-x)=9

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Solution for 10-(-2-x)=9 equation:


Simplifying
10 + -1(-2 + -1x) = 9
10 + (-2 * -1 + -1x * -1) = 9
10 + (2 + 1x) = 9

Combine like terms: 10 + 2 = 12
12 + 1x = 9

Solving
12 + 1x = 9

Solving for variable 'x'.

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

Add '-12' to each side of the equation.
12 + -12 + 1x = 9 + -12

Combine like terms: 12 + -12 = 0
0 + 1x = 9 + -12
1x = 9 + -12

Combine like terms: 9 + -12 = -3
1x = -3

Divide each side by '1'.
x = -3

Simplifying
x = -3

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