4r-3=9

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Solution for 4r-3=9 equation: 


Simplifying
4r + -3 = 9

Reorder the terms:
-3 + 4r = 9

Solving
-3 + 4r = 9

Solving for variable 'r'.

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

Add '3' to each side of the equation.
-3 + 3 + 4r = 9 + 3

Combine like terms: -3 + 3 = 0
0 + 4r = 9 + 3
4r = 9 + 3

Combine like terms: 9 + 3 = 12
4r = 12

Divide each side by '4'.
r = 3

Simplifying
r = 3

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