2x-15+x=90

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Solution for 2x-15+x=90 equation: 


Simplifying
2x + -15 + x = 90

Reorder the terms:
-15 + 2x + x = 90

Combine like terms: 2x + x = 3x
-15 + 3x = 90

Solving
-15 + 3x = 90

Solving for variable 'x'.

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

Add '15' to each side of the equation.
-15 + 15 + 3x = 90 + 15

Combine like terms: -15 + 15 = 0
0 + 3x = 90 + 15
3x = 90 + 15

Combine like terms: 90 + 15 = 105
3x = 105

Divide each side by '3'.
x = 35

Simplifying
x = 35

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