4r-6=72

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Solution for 4r-6=72 equation: 


Simplifying
4r + -6 = 72

Reorder the terms:
-6 + 4r = 72

Solving
-6 + 4r = 72

Solving for variable 'r'.

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

Add '6' to each side of the equation.
-6 + 6 + 4r = 72 + 6

Combine like terms: -6 + 6 = 0
0 + 4r = 72 + 6
4r = 72 + 6

Combine like terms: 72 + 6 = 78
4r = 78

Divide each side by '4'.
r = 19.5

Simplifying
r = 19.5

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