-8=4+5r+3

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Solution for -8=4+5r+3 equation:


Simplifying
-8 = 4 + 5r + 3

Reorder the terms:
-8 = 4 + 3 + 5r

Combine like terms: 4 + 3 = 7
-8 = 7 + 5r

Solving
-8 = 7 + 5r

Solving for variable 'r'.

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

Add '-5r' to each side of the equation.
-8 + -5r = 7 + 5r + -5r

Combine like terms: 5r + -5r = 0
-8 + -5r = 7 + 0
-8 + -5r = 7

Add '8' to each side of the equation.
-8 + 8 + -5r = 7 + 8

Combine like terms: -8 + 8 = 0
0 + -5r = 7 + 8
-5r = 7 + 8

Combine like terms: 7 + 8 = 15
-5r = 15

Divide each side by '-5'.
r = -3

Simplifying
r = -3

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