-5(5r+7)=25+5r

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Solution for -5(5r+7)=25+5r equation:


Simplifying
-5(5r + 7) = 25 + 5r

Reorder the terms:
-5(7 + 5r) = 25 + 5r
(7 * -5 + 5r * -5) = 25 + 5r
(-35 + -25r) = 25 + 5r

Solving
-35 + -25r = 25 + 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.
-35 + -25r + -5r = 25 + 5r + -5r

Combine like terms: -25r + -5r = -30r
-35 + -30r = 25 + 5r + -5r

Combine like terms: 5r + -5r = 0
-35 + -30r = 25 + 0
-35 + -30r = 25

Add '35' to each side of the equation.
-35 + 35 + -30r = 25 + 35

Combine like terms: -35 + 35 = 0
0 + -30r = 25 + 35
-30r = 25 + 35

Combine like terms: 25 + 35 = 60
-30r = 60

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

Simplifying
r = -2

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