-4r+8=0

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Solution for -4r+8=0 equation: 


Simplifying
-4r + 8 = 0

Reorder the terms:
8 + -4r = 0

Solving
8 + -4r = 0

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 + -4r = 0 + -8

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

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

Divide each side by '-4'.
r = 2

Simplifying
r = 2

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