28+7-x=5

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Solution for 28+7-x=5 equation: 


Simplifying
28 + 7 + -1x = 5

Combine like terms: 28 + 7 = 35
35 + -1x = 5

Solving
35 + -1x = 5

Solving for variable 'x'.

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

Add '-35' to each side of the equation.
35 + -35 + -1x = 5 + -35

Combine like terms: 35 + -35 = 0
0 + -1x = 5 + -35
-1x = 5 + -35

Combine like terms: 5 + -35 = -30
-1x = -30

Divide each side by '-1'.
x = 30

Simplifying
x = 30

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