r+8-5r=2(4-2r)

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Solution for r+8-5r=2(4-2r) equation: 


Simplifying
r + 8 + -5r = 2(4 + -2r)

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

Combine like terms: r + -5r = -4r
8 + -4r = 2(4 + -2r)
8 + -4r = (4 * 2 + -2r * 2)
8 + -4r = (8 + -4r)

Add '-8' to each side of the equation.
8 + -8 + -4r = 8 + -8 + -4r

Combine like terms: 8 + -8 = 0
0 + -4r = 8 + -8 + -4r
-4r = 8 + -8 + -4r

Combine like terms: 8 + -8 = 0
-4r = 0 + -4r
-4r = -4r

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

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

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

Solving
0 = 0

Couldn't find a variable to solve for.

This equation is an identity, all real numbers are solutions.

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