5r+20=40

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Solution for 5r+20=40 equation: 


Simplifying
5r + 20 = 40

Reorder the terms:
20 + 5r = 40

Solving
20 + 5r = 40

Solving for variable 'r'.

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

Add '-20' to each side of the equation.
20 + -20 + 5r = 40 + -20

Combine like terms: 20 + -20 = 0
0 + 5r = 40 + -20
5r = 40 + -20

Combine like terms: 40 + -20 = 20
5r = 20

Divide each side by '5'.
r = 4

Simplifying
r = 4

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