-2=5r+3r

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Solution for -2=5r+3r equation:


Simplifying
-2 = 5r + 3r

Combine like terms: 5r + 3r = 8r
-2 = 8r

Solving
-2 = 8r

Solving for variable 'r'.

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

Add '-8r' to each side of the equation.
-2 + -8r = 8r + -8r

Combine like terms: 8r + -8r = 0
-2 + -8r = 0

Add '2' to each side of the equation.
-2 + 2 + -8r = 0 + 2

Combine like terms: -2 + 2 = 0
0 + -8r = 0 + 2
-8r = 0 + 2

Combine like terms: 0 + 2 = 2
-8r = 2

Divide each side by '-8'.
r = -0.25

Simplifying
r = -0.25

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