2r+4=2r-5

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Solution for 2r+4=2r-5 equation: 


Simplifying
2r + 4 = 2r + -5

Reorder the terms:
4 + 2r = 2r + -5

Reorder the terms:
4 + 2r = -5 + 2r

Add '-2r' to each side of the equation.
4 + 2r + -2r = -5 + 2r + -2r

Combine like terms: 2r + -2r = 0
4 + 0 = -5 + 2r + -2r
4 = -5 + 2r + -2r

Combine like terms: 2r + -2r = 0
4 = -5 + 0
4 = -5

Solving
4 = -5

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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