10(r+5)=20r

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Solution for 10(r+5)=20r equation:


Simplifying
10(r + 5) = 20r

Reorder the terms:
10(5 + r) = 20r
(5 * 10 + r * 10) = 20r
(50 + 10r) = 20r

Solving
50 + 10r = 20r

Solving for variable 'r'.

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

Add '-20r' to each side of the equation.
50 + 10r + -20r = 20r + -20r

Combine like terms: 10r + -20r = -10r
50 + -10r = 20r + -20r

Combine like terms: 20r + -20r = 0
50 + -10r = 0

Add '-50' to each side of the equation.
50 + -50 + -10r = 0 + -50

Combine like terms: 50 + -50 = 0
0 + -10r = 0 + -50
-10r = 0 + -50

Combine like terms: 0 + -50 = -50
-10r = -50

Divide each side by '-10'.
r = 5

Simplifying
r = 5

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