4(r-1)=5(r-2)-r

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Solution for 4(r-1)=5(r-2)-r equation: 


Simplifying
4(r + -1) = 5(r + -2) + -1r

Reorder the terms:
4(-1 + r) = 5(r + -2) + -1r
(-1 * 4 + r * 4) = 5(r + -2) + -1r
(-4 + 4r) = 5(r + -2) + -1r

Reorder the terms:
-4 + 4r = 5(-2 + r) + -1r
-4 + 4r = (-2 * 5 + r * 5) + -1r
-4 + 4r = (-10 + 5r) + -1r

Combine like terms: 5r + -1r = 4r
-4 + 4r = -10 + 4r

Add '-4r' to each side of the equation.
-4 + 4r + -4r = -10 + 4r + -4r

Combine like terms: 4r + -4r = 0
-4 + 0 = -10 + 4r + -4r
-4 = -10 + 4r + -4r

Combine like terms: 4r + -4r = 0
-4 = -10 + 0
-4 = -10

Solving
-4 = -10

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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