3r-5=4

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Solution for 3r-5=4 equation: 


Simplifying
3r + -5 = 4

Reorder the terms:
-5 + 3r = 4

Solving
-5 + 3r = 4

Solving for variable 'r'.

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

Add '5' to each side of the equation.
-5 + 5 + 3r = 4 + 5

Combine like terms: -5 + 5 = 0
0 + 3r = 4 + 5
3r = 4 + 5

Combine like terms: 4 + 5 = 9
3r = 9

Divide each side by '3'.
r = 3

Simplifying
r = 3

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