x+x-28=126

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Solution for x+x-28=126 equation:


Simplifying
x + x + -28 = 126

Reorder the terms:
-28 + x + x = 126

Combine like terms: x + x = 2x
-28 + 2x = 126

Solving
-28 + 2x = 126

Solving for variable 'x'.

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

Add '28' to each side of the equation.
-28 + 28 + 2x = 126 + 28

Combine like terms: -28 + 28 = 0
0 + 2x = 126 + 28
2x = 126 + 28

Combine like terms: 126 + 28 = 154
2x = 154

Divide each side by '2'.
x = 77

Simplifying
x = 77

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