4(5m-20)=20(m-20)

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Solution for 4(5m-20)=20(m-20) equation: 


Simplifying
4(5m + -20) = 20(m + -20)

Reorder the terms:
4(-20 + 5m) = 20(m + -20)
(-20 * 4 + 5m * 4) = 20(m + -20)
(-80 + 20m) = 20(m + -20)

Reorder the terms:
-80 + 20m = 20(-20 + m)
-80 + 20m = (-20 * 20 + m * 20)
-80 + 20m = (-400 + 20m)

Add '-20m' to each side of the equation.
-80 + 20m + -20m = -400 + 20m + -20m

Combine like terms: 20m + -20m = 0
-80 + 0 = -400 + 20m + -20m
-80 = -400 + 20m + -20m

Combine like terms: 20m + -20m = 0
-80 = -400 + 0
-80 = -400

Solving
-80 = -400

Couldn't find a variable to solve for.

This equation is invalid, the left and right sides are not equal, therefore there is no solution.

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