75-5x=12+4x

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Solution for 75-5x=12+4x equation:


Simplifying
75 + -5x = 12 + 4x

Solving
75 + -5x = 12 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
75 + -5x + -4x = 12 + 4x + -4x

Combine like terms: -5x + -4x = -9x
75 + -9x = 12 + 4x + -4x

Combine like terms: 4x + -4x = 0
75 + -9x = 12 + 0
75 + -9x = 12

Add '-75' to each side of the equation.
75 + -75 + -9x = 12 + -75

Combine like terms: 75 + -75 = 0
0 + -9x = 12 + -75
-9x = 12 + -75

Combine like terms: 12 + -75 = -63
-9x = -63

Divide each side by '-9'.
x = 7

Simplifying
x = 7

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