75-x=45

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Solution for 75-x=45 equation:


Simplifying
75 + -1x = 45

Solving
75 + -1x = 45

Solving for variable 'x'.

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

Add '-75' to each side of the equation.
75 + -75 + -1x = 45 + -75

Combine like terms: 75 + -75 = 0
0 + -1x = 45 + -75
-1x = 45 + -75

Combine like terms: 45 + -75 = -30
-1x = -30

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

Simplifying
x = 30

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