x-10+x=90

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Solution for x-10+x=90 equation:


Simplifying
x + -10 + x = 90

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

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

Solving
-10 + 2x = 90

Solving for variable 'x'.

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

Add '10' to each side of the equation.
-10 + 10 + 2x = 90 + 10

Combine like terms: -10 + 10 = 0
0 + 2x = 90 + 10
2x = 90 + 10

Combine like terms: 90 + 10 = 100
2x = 100

Divide each side by '2'.
x = 50

Simplifying
x = 50

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