2X+7=X+20

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Solution for 2X+7=X+20 equation:


Simplifying
2X + 7 = X + 20

Reorder the terms:
7 + 2X = X + 20

Reorder the terms:
7 + 2X = 20 + X

Solving
7 + 2X = 20 + X

Solving for variable 'X'.

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

Add '-1X' to each side of the equation.
7 + 2X + -1X = 20 + X + -1X

Combine like terms: 2X + -1X = 1X
7 + 1X = 20 + X + -1X

Combine like terms: X + -1X = 0
7 + 1X = 20 + 0
7 + 1X = 20

Add '-7' to each side of the equation.
7 + -7 + 1X = 20 + -7

Combine like terms: 7 + -7 = 0
0 + 1X = 20 + -7
1X = 20 + -7

Combine like terms: 20 + -7 = 13
1X = 13

Divide each side by '1'.
X = 13

Simplifying
X = 13

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