28+2x=90

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Solution for 28+2x=90 equation: 


Simplifying
28 + 2x = 90

Solving
28 + 2x = 90

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 = 90 + -28

Combine like terms: 28 + -28 = 0
0 + 2x = 90 + -28
2x = 90 + -28

Combine like terms: 90 + -28 = 62
2x = 62

Divide each side by '2'.
x = 31

Simplifying
x = 31

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