-5(8+8r)+5r=20-5r

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Solution for -5(8+8r)+5r=20-5r equation: 


Simplifying
-5(8 + 8r) + 5r = 20 + -5r
(8 * -5 + 8r * -5) + 5r = 20 + -5r
(-40 + -40r) + 5r = 20 + -5r

Combine like terms: -40r + 5r = -35r
-40 + -35r = 20 + -5r

Solving
-40 + -35r = 20 + -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.
-40 + -35r + 5r = 20 + -5r + 5r

Combine like terms: -35r + 5r = -30r
-40 + -30r = 20 + -5r + 5r

Combine like terms: -5r + 5r = 0
-40 + -30r = 20 + 0
-40 + -30r = 20

Add '40' to each side of the equation.
-40 + 40 + -30r = 20 + 40

Combine like terms: -40 + 40 = 0
0 + -30r = 20 + 40
-30r = 20 + 40

Combine like terms: 20 + 40 = 60
-30r = 60

Divide each side by '-30'.
r = -2

Simplifying
r = -2

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