75-39=3x

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Solution for 75-39=3x equation:


Simplifying
75 + -39 = 3x

Combine like terms: 75 + -39 = 36
36 = 3x

Solving
36 = 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
36 + -3x = 3x + -3x

Combine like terms: 3x + -3x = 0
36 + -3x = 0

Add '-36' to each side of the equation.
36 + -36 + -3x = 0 + -36

Combine like terms: 36 + -36 = 0
0 + -3x = 0 + -36
-3x = 0 + -36

Combine like terms: 0 + -36 = -36
-3x = -36

Divide each side by '-3'.
x = 12

Simplifying
x = 12

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