-8(-2r+5)=35-9r

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Solution for -8(-2r+5)=35-9r equation:


Simplifying
-8(-2r + 5) = 35 + -9r

Reorder the terms:
-8(5 + -2r) = 35 + -9r
(5 * -8 + -2r * -8) = 35 + -9r
(-40 + 16r) = 35 + -9r

Solving
-40 + 16r = 35 + -9r

Solving for variable 'r'.

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

Add '9r' to each side of the equation.
-40 + 16r + 9r = 35 + -9r + 9r

Combine like terms: 16r + 9r = 25r
-40 + 25r = 35 + -9r + 9r

Combine like terms: -9r + 9r = 0
-40 + 25r = 35 + 0
-40 + 25r = 35

Add '40' to each side of the equation.
-40 + 40 + 25r = 35 + 40

Combine like terms: -40 + 40 = 0
0 + 25r = 35 + 40
25r = 35 + 40

Combine like terms: 35 + 40 = 75
25r = 75

Divide each side by '25'.
r = 3

Simplifying
r = 3

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