3r-(r-5)=-1-r

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Solution for 3r-(r-5)=-1-r equation:


Simplifying
3r + -1(r + -5) = -1 + -1r

Reorder the terms:
3r + -1(-5 + r) = -1 + -1r
3r + (-5 * -1 + r * -1) = -1 + -1r
3r + (5 + -1r) = -1 + -1r

Reorder the terms:
5 + 3r + -1r = -1 + -1r

Combine like terms: 3r + -1r = 2r
5 + 2r = -1 + -1r

Solving
5 + 2r = -1 + -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.
5 + 2r + r = -1 + -1r + r

Combine like terms: 2r + r = 3r
5 + 3r = -1 + -1r + r

Combine like terms: -1r + r = 0
5 + 3r = -1 + 0
5 + 3r = -1

Add '-5' to each side of the equation.
5 + -5 + 3r = -1 + -5

Combine like terms: 5 + -5 = 0
0 + 3r = -1 + -5
3r = -1 + -5

Combine like terms: -1 + -5 = -6
3r = -6

Divide each side by '3'.
r = -2

Simplifying
r = -2

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