-2(r+5)=8-6r+2r

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Solution for -2(r+5)=8-6r+2r equation:


Simplifying
-2(r + 5) = 8 + -6r + 2r

Reorder the terms:
-2(5 + r) = 8 + -6r + 2r
(5 * -2 + r * -2) = 8 + -6r + 2r
(-10 + -2r) = 8 + -6r + 2r

Combine like terms: -6r + 2r = -4r
-10 + -2r = 8 + -4r

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

Solving for variable 'r'.

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

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

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

Combine like terms: -4r + 4r = 0
-10 + 2r = 8 + 0
-10 + 2r = 8

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

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

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

Divide each side by '2'.
r = 9

Simplifying
r = 9

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