x+x-72.8=90

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Solution for x+x-72.8=90 equation:


Simplifying
x + x + -72.8 = 90

Reorder the terms:
-72.8 + x + x = 90

Combine like terms: x + x = 2x
-72.8 + 2x = 90

Solving
-72.8 + 2x = 90

Solving for variable 'x'.

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

Add '72.8' to each side of the equation.
-72.8 + 72.8 + 2x = 90 + 72.8

Combine like terms: -72.8 + 72.8 = 0.0
0.0 + 2x = 90 + 72.8
2x = 90 + 72.8

Combine like terms: 90 + 72.8 = 162.8
2x = 162.8

Divide each side by '2'.
x = 81.4

Simplifying
x = 81.4

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