-(-8-4r)=5(3+r)

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Solution for -(-8-4r)=5(3+r) equation:


Simplifying
-1(-8 + -4r) = 5(3 + r)
(-8 * -1 + -4r * -1) = 5(3 + r)
(8 + 4r) = 5(3 + r)
8 + 4r = (3 * 5 + r * 5)
8 + 4r = (15 + 5r)

Solving
8 + 4r = 15 + 5r

Solving for variable 'r'.

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

Add '-5r' to each side of the equation.
8 + 4r + -5r = 15 + 5r + -5r

Combine like terms: 4r + -5r = -1r
8 + -1r = 15 + 5r + -5r

Combine like terms: 5r + -5r = 0
8 + -1r = 15 + 0
8 + -1r = 15

Add '-8' to each side of the equation.
8 + -8 + -1r = 15 + -8

Combine like terms: 8 + -8 = 0
0 + -1r = 15 + -8
-1r = 15 + -8

Combine like terms: 15 + -8 = 7
-1r = 7

Divide each side by '-1'.
r = -7

Simplifying
r = -7

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