13+x=28-x

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Solution for 13+x=28-x equation:


Simplifying
13 + x = 28 + -1x

Solving
13 + x = 28 + -1x

Solving for variable 'x'.

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

Add 'x' to each side of the equation.
13 + x + x = 28 + -1x + x

Combine like terms: x + x = 2x
13 + 2x = 28 + -1x + x

Combine like terms: -1x + x = 0
13 + 2x = 28 + 0
13 + 2x = 28

Add '-13' to each side of the equation.
13 + -13 + 2x = 28 + -13

Combine like terms: 13 + -13 = 0
0 + 2x = 28 + -13
2x = 28 + -13

Combine like terms: 28 + -13 = 15
2x = 15

Divide each side by '2'.
x = 7.5

Simplifying
x = 7.5

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