x-15=28-x

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Solution for x-15=28-x equation:


Simplifying
x + -15 = 28 + -1x

Reorder the terms:
-15 + x = 28 + -1x

Solving
-15 + 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.
-15 + x + x = 28 + -1x + x

Combine like terms: x + x = 2x
-15 + 2x = 28 + -1x + x

Combine like terms: -1x + x = 0
-15 + 2x = 28 + 0
-15 + 2x = 28

Add '15' to each side of the equation.
-15 + 15 + 2x = 28 + 15

Combine like terms: -15 + 15 = 0
0 + 2x = 28 + 15
2x = 28 + 15

Combine like terms: 28 + 15 = 43
2x = 43

Divide each side by '2'.
x = 21.5

Simplifying
x = 21.5

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