4n+20=5r

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Solution for 4n+20=5r equation:


Simplifying
4n + 20 = 5r

Reorder the terms:
20 + 4n = 5r

Solving
20 + 4n = 5r

Solving for variable 'n'.

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

Add '-20' to each side of the equation.
20 + -20 + 4n = -20 + 5r

Combine like terms: 20 + -20 = 0
0 + 4n = -20 + 5r
4n = -20 + 5r

Divide each side by '4'.
n = -5 + 1.25r

Simplifying
n = -5 + 1.25r

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