-8-3(r-1)=2r

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Solution for -8-3(r-1)=2r equation:


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

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

Combine like terms: -8 + 3 = -5
-5 + -3r = 2r

Solving
-5 + -3r = 2r

Solving for variable 'r'.

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

Add '-2r' to each side of the equation.
-5 + -3r + -2r = 2r + -2r

Combine like terms: -3r + -2r = -5r
-5 + -5r = 2r + -2r

Combine like terms: 2r + -2r = 0
-5 + -5r = 0

Add '5' to each side of the equation.
-5 + 5 + -5r = 0 + 5

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

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

Divide each side by '-5'.
r = -1

Simplifying
r = -1

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