5r+9=-1-3r-8r

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Solution for 5r+9=-1-3r-8r equation:


Simplifying
5r + 9 = -1 + -3r + -8r

Reorder the terms:
9 + 5r = -1 + -3r + -8r

Combine like terms: -3r + -8r = -11r
9 + 5r = -1 + -11r

Solving
9 + 5r = -1 + -11r

Solving for variable 'r'.

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

Add '11r' to each side of the equation.
9 + 5r + 11r = -1 + -11r + 11r

Combine like terms: 5r + 11r = 16r
9 + 16r = -1 + -11r + 11r

Combine like terms: -11r + 11r = 0
9 + 16r = -1 + 0
9 + 16r = -1

Add '-9' to each side of the equation.
9 + -9 + 16r = -1 + -9

Combine like terms: 9 + -9 = 0
0 + 16r = -1 + -9
16r = -1 + -9

Combine like terms: -1 + -9 = -10
16r = -10

Divide each side by '16'.
r = -0.625

Simplifying
r = -0.625

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