-1r+4-5r=8-13r

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Solution for -1r+4-5r=8-13r equation:


Simplifying
-1r + 4 + -5r = 8 + -13r

Reorder the terms:
4 + -1r + -5r = 8 + -13r

Combine like terms: -1r + -5r = -6r
4 + -6r = 8 + -13r

Solving
4 + -6r = 8 + -13r

Solving for variable 'r'.

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

Add '13r' to each side of the equation.
4 + -6r + 13r = 8 + -13r + 13r

Combine like terms: -6r + 13r = 7r
4 + 7r = 8 + -13r + 13r

Combine like terms: -13r + 13r = 0
4 + 7r = 8 + 0
4 + 7r = 8

Add '-4' to each side of the equation.
4 + -4 + 7r = 8 + -4

Combine like terms: 4 + -4 = 0
0 + 7r = 8 + -4
7r = 8 + -4

Combine like terms: 8 + -4 = 4
7r = 4

Divide each side by '7'.
r = 0.5714285714

Simplifying
r = 0.5714285714

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