4-2r=1-2r

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Solution for 4-2r=1-2r equation: 


Simplifying
4 + -2r = 1 + -2r

Add '2r' to each side of the equation.
4 + -2r + 2r = 1 + -2r + 2r

Combine like terms: -2r + 2r = 0
4 + 0 = 1 + -2r + 2r
4 = 1 + -2r + 2r

Combine like terms: -2r + 2r = 0
4 = 1 + 0
4 = 1

Solving
4 = 1

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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