(x+10)-9=13

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Solution for (x+10)-9=13 equation:


Simplifying
(x + 10) + -9 = 13

Reorder the terms:
(10 + x) + -9 = 13

Remove parenthesis around (10 + x)
10 + x + -9 = 13

Reorder the terms:
10 + -9 + x = 13

Combine like terms: 10 + -9 = 1
1 + x = 13

Solving
1 + x = 13

Solving for variable 'x'.

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

Add '-1' to each side of the equation.
1 + -1 + x = 13 + -1

Combine like terms: 1 + -1 = 0
0 + x = 13 + -1
x = 13 + -1

Combine like terms: 13 + -1 = 12
x = 12

Simplifying
x = 12

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