-3r-8-r=10-2r

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Solution for -3r-8-r=10-2r equation:


Simplifying
-3r + -8 + -1r = 10 + -2r

Reorder the terms:
-8 + -3r + -1r = 10 + -2r

Combine like terms: -3r + -1r = -4r
-8 + -4r = 10 + -2r

Solving
-8 + -4r = 10 + -2r

Solving for variable 'r'.

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

Add '2r' to each side of the equation.
-8 + -4r + 2r = 10 + -2r + 2r

Combine like terms: -4r + 2r = -2r
-8 + -2r = 10 + -2r + 2r

Combine like terms: -2r + 2r = 0
-8 + -2r = 10 + 0
-8 + -2r = 10

Add '8' to each side of the equation.
-8 + 8 + -2r = 10 + 8

Combine like terms: -8 + 8 = 0
0 + -2r = 10 + 8
-2r = 10 + 8

Combine like terms: 10 + 8 = 18
-2r = 18

Divide each side by '-2'.
r = -9

Simplifying
r = -9

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