-5r-5r=4-8r-4r

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


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

Combine like terms: -5r + -5r = -10r
-10r = 4 + -8r + -4r

Combine like terms: -8r + -4r = -12r
-10r = 4 + -12r

Solving
-10r = 4 + -12r

Solving for variable 'r'.

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

Add '12r' to each side of the equation.
-10r + 12r = 4 + -12r + 12r

Combine like terms: -10r + 12r = 2r
2r = 4 + -12r + 12r

Combine like terms: -12r + 12r = 0
2r = 4 + 0
2r = 4

Divide each side by '2'.
r = 2

Simplifying
r = 2

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