-5r-3=13-8r-r

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Solution for -5r-3=13-8r-r equation:


Simplifying
-5r + -3 = 13 + -8r + -1r

Reorder the terms:
-3 + -5r = 13 + -8r + -1r

Combine like terms: -8r + -1r = -9r
-3 + -5r = 13 + -9r

Solving
-3 + -5r = 13 + -9r

Solving for variable 'r'.

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

Add '9r' to each side of the equation.
-3 + -5r + 9r = 13 + -9r + 9r

Combine like terms: -5r + 9r = 4r
-3 + 4r = 13 + -9r + 9r

Combine like terms: -9r + 9r = 0
-3 + 4r = 13 + 0
-3 + 4r = 13

Add '3' to each side of the equation.
-3 + 3 + 4r = 13 + 3

Combine like terms: -3 + 3 = 0
0 + 4r = 13 + 3
4r = 13 + 3

Combine like terms: 13 + 3 = 16
4r = 16

Divide each side by '4'.
r = 4

Simplifying
r = 4

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