3r-8=2(r-(-4))+r

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Solution for 3r-8=2(r-(-4))+r equation: 


Simplifying
3r + -8 = 2(r + -1(-4)) + r

Reorder the terms:
-8 + 3r = 2(r + -1(-4)) + r

Multiply -1 * -4
-8 + 3r = 2(r + 4) + r

Reorder the terms:
-8 + 3r = 2(4 + r) + r
-8 + 3r = (4 * 2 + r * 2) + r
-8 + 3r = (8 + 2r) + r

Combine like terms: 2r + r = 3r
-8 + 3r = 8 + 3r

Add '-3r' to each side of the equation.
-8 + 3r + -3r = 8 + 3r + -3r

Combine like terms: 3r + -3r = 0
-8 + 0 = 8 + 3r + -3r
-8 = 8 + 3r + -3r

Combine like terms: 3r + -3r = 0
-8 = 8 + 0
-8 = 8

Solving
-8 = 8

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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