(x+10)+(x-2)=90

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Solution for (x+10)+(x-2)=90 equation:


Simplifying
(x + 10) + (x + -2) = 90

Reorder the terms:
(10 + x) + (x + -2) = 90

Remove parenthesis around (10 + x)
10 + x + (x + -2) = 90

Reorder the terms:
10 + x + (-2 + x) = 90

Remove parenthesis around (-2 + x)
10 + x + -2 + x = 90

Reorder the terms:
10 + -2 + x + x = 90

Combine like terms: 10 + -2 = 8
8 + x + x = 90

Combine like terms: x + x = 2x
8 + 2x = 90

Solving
8 + 2x = 90

Solving for variable 'x'.

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

Add '-8' to each side of the equation.
8 + -8 + 2x = 90 + -8

Combine like terms: 8 + -8 = 0
0 + 2x = 90 + -8
2x = 90 + -8

Combine like terms: 90 + -8 = 82
2x = 82

Divide each side by '2'.
x = 41

Simplifying
x = 41

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