5r+5(r+15)=525

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Solution for 5r+5(r+15)=525 equation:


Simplifying
5r + 5(r + 15) = 525

Reorder the terms:
5r + 5(15 + r) = 525
5r + (15 * 5 + r * 5) = 525
5r + (75 + 5r) = 525

Reorder the terms:
75 + 5r + 5r = 525

Combine like terms: 5r + 5r = 10r
75 + 10r = 525

Solving
75 + 10r = 525

Solving for variable 'r'.

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

Add '-75' to each side of the equation.
75 + -75 + 10r = 525 + -75

Combine like terms: 75 + -75 = 0
0 + 10r = 525 + -75
10r = 525 + -75

Combine like terms: 525 + -75 = 450
10r = 450

Divide each side by '10'.
r = 45

Simplifying
r = 45

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