-8=1+4r+5r

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


Simplifying
-8 = 1 + 4r + 5r

Combine like terms: 4r + 5r = 9r
-8 = 1 + 9r

Solving
-8 = 1 + 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.
-8 + -9r = 1 + 9r + -9r

Combine like terms: 9r + -9r = 0
-8 + -9r = 1 + 0
-8 + -9r = 1

Add '8' to each side of the equation.
-8 + 8 + -9r = 1 + 8

Combine like terms: -8 + 8 = 0
0 + -9r = 1 + 8
-9r = 1 + 8

Combine like terms: 1 + 8 = 9
-9r = 9

Divide each side by '-9'.
r = -1

Simplifying
r = -1

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