3r+8=-5r

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


Simplifying
3r + 8 = -5r

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

Solving
8 + 3r = -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 + 3r + 5r = -5r + 5r

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

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

Add '-8' to each side of the equation.
8 + -8 + 8r = 0 + -8

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

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

Divide each side by '8'.
r = -1

Simplifying
r = -1

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