75=x-4x

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Solution for 75=x-4x equation:


Simplifying
75 = x + -4x

Combine like terms: x + -4x = -3x
75 = -3x

Solving
75 = -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.
75 + 3x = -3x + 3x

Combine like terms: -3x + 3x = 0
75 + 3x = 0

Add '-75' to each side of the equation.
75 + -75 + 3x = 0 + -75

Combine like terms: 75 + -75 = 0
0 + 3x = 0 + -75
3x = 0 + -75

Combine like terms: 0 + -75 = -75
3x = -75

Divide each side by '3'.
x = -25

Simplifying
x = -25

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