5(r-3)=25

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Solution for 5(r-3)=25 equation: 


Simplifying
5(r + -3) = 25

Reorder the terms:
5(-3 + r) = 25
(-3 * 5 + r * 5) = 25
(-15 + 5r) = 25

Solving
-15 + 5r = 25

Solving for variable 'r'.

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

Add '15' to each side of the equation.
-15 + 15 + 5r = 25 + 15

Combine like terms: -15 + 15 = 0
0 + 5r = 25 + 15
5r = 25 + 15

Combine like terms: 25 + 15 = 40
5r = 40

Divide each side by '5'.
r = 8

Simplifying
r = 8

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