2x=13+(x+7)

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


Simplifying
2x = 13 + (x + 7)

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

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

Combine like terms: 13 + 7 = 20
2x = 20 + x

Solving
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.
2x + -1x = 20 + x + -1x

Combine like terms: 2x + -1x = 1x
1x = 20 + x + -1x

Combine like terms: x + -1x = 0
1x = 20 + 0
1x = 20

Divide each side by '1'.
x = 20

Simplifying
x = 20

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