75-x=20x

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Solution for 75-x=20x equation:


Simplifying
75 + -1x = 20x

Solving
75 + -1x = 20x

Solving for variable 'x'.

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

Add '-20x' to each side of the equation.
75 + -1x + -20x = 20x + -20x

Combine like terms: -1x + -20x = -21x
75 + -21x = 20x + -20x

Combine like terms: 20x + -20x = 0
75 + -21x = 0

Add '-75' to each side of the equation.
75 + -75 + -21x = 0 + -75

Combine like terms: 75 + -75 = 0
0 + -21x = 0 + -75
-21x = 0 + -75

Combine like terms: 0 + -75 = -75
-21x = -75

Divide each side by '-21'.
x = 3.571428571

Simplifying
x = 3.571428571

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