-3r+8=-r-2

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Solution for -3r+8=-r-2 equation:


Simplifying
-3r + 8 = -1r + -2

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

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

Solving
8 + -3r = -2 + -1r

Solving for variable 'r'.

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

Add 'r' to each side of the equation.
8 + -3r + r = -2 + -1r + r

Combine like terms: -3r + r = -2r
8 + -2r = -2 + -1r + r

Combine like terms: -1r + r = 0
8 + -2r = -2 + 0
8 + -2r = -2

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

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

Combine like terms: -2 + -8 = -10
-2r = -10

Divide each side by '-2'.
r = 5

Simplifying
r = 5

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