(X+7)+(2x)=13

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Solution for (X+7)+(2x)=13 equation: 


Simplifying
(X + 7) + (2x) = 13

Reorder the terms:
(7 + X) + (2x) = 13

Remove parenthesis around (7 + X)
7 + X + (2x) = 13

Solving
7 + X + (2x) = 13

Solving for variable 'X'.

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

Add '-7' to each side of the equation.
7 + X + -7 + (2x) = 13 + -7

Reorder the terms:
7 + -7 + X + (2x) = 13 + -7

Combine like terms: 7 + -7 = 0
0 + X + (2x) = 13 + -7
X + (2x) = 13 + -7

Combine like terms: 13 + -7 = 6
X + (2x) = 6

Add '(-2x)' to each side of the equation.
X + (2x) + (-2x) = 6 + (-2x)

Combine like terms: (2x) + (-2x) = 0
X + 0 = 6 + (-2x)
X = 6 + (-2x)

Simplifying
X = 6 + (-2x)

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