2r-8=-4

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Solution for 2r-8=-4 equation: 


Simplifying
2r + -8 = -4

Reorder the terms:
-8 + 2r = -4

Solving
-8 + 2r = -4

Solving for variable 'r'.

Move all terms containing r to the left, all other terms to the right.

Add '8' to each side of the equation.
-8 + 8 + 2r = -4 + 8

Combine like terms: -8 + 8 = 0
0 + 2r = -4 + 8
2r = -4 + 8

Combine like terms: -4 + 8 = 4
2r = 4

Divide each side by '2'.
r = 2

Simplifying
r = 2

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