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

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


Simplifying
8r + 4 = 8r + -1(-4)

Reorder the terms:
4 + 8r = 8r + -1(-4)

Multiply -1 * -4
4 + 8r = 8r + 4

Reorder the terms:
4 + 8r = 4 + 8r

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

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

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

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

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

Combine like terms: 8r + -8r = 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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