2+9=x-1

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Solution for 2+9=x-1 equation:


Simplifying
2 + 9 = x + -1

Combine like terms: 2 + 9 = 11
11 = x + -1

Reorder the terms:
11 = -1 + x

Solving
11 = -1 + 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.
11 + -1x = -1 + x + -1x

Combine like terms: x + -1x = 0
11 + -1x = -1 + 0
11 + -1x = -1

Add '-11' to each side of the equation.
11 + -11 + -1x = -1 + -11

Combine like terms: 11 + -11 = 0
0 + -1x = -1 + -11
-1x = -1 + -11

Combine like terms: -1 + -11 = -12
-1x = -12

Divide each side by '-1'.
x = 12

Simplifying
x = 12

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