2X+15-X=20

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Solution for 2X+15-X=20 equation:


Simplifying
2X + 15 + -1X = 20

Reorder the terms:
15 + 2X + -1X = 20

Combine like terms: 2X + -1X = 1X
15 + 1X = 20

Solving
15 + 1X = 20

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 + 1X = 20 + -15

Combine like terms: 15 + -15 = 0
0 + 1X = 20 + -15
1X = 20 + -15

Combine like terms: 20 + -15 = 5
1X = 5

Divide each side by '1'.
X = 5

Simplifying
X = 5

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