-8=-4r-13

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Solution for -8=-4r-13 equation:


Simplifying
-8 = -4r + -13

Reorder the terms:
-8 = -13 + -4r

Solving
-8 = -13 + -4r

Solving for variable 'r'.

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

Add '4r' to each side of the equation.
-8 + 4r = -13 + -4r + 4r

Combine like terms: -4r + 4r = 0
-8 + 4r = -13 + 0
-8 + 4r = -13

Add '8' to each side of the equation.
-8 + 8 + 4r = -13 + 8

Combine like terms: -8 + 8 = 0
0 + 4r = -13 + 8
4r = -13 + 8

Combine like terms: -13 + 8 = -5
4r = -5

Divide each side by '4'.
r = -1.25

Simplifying
r = -1.25

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