5r-9=7+4

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Solution for 5r-9=7+4 equation: 


Simplifying
5r + -9 = 7 + 4

Reorder the terms:
-9 + 5r = 7 + 4

Combine like terms: 7 + 4 = 11
-9 + 5r = 11

Solving
-9 + 5r = 11

Solving for variable 'r'.

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

Add '9' to each side of the equation.
-9 + 9 + 5r = 11 + 9

Combine like terms: -9 + 9 = 0
0 + 5r = 11 + 9
5r = 11 + 9

Combine like terms: 11 + 9 = 20
5r = 20

Divide each side by '5'.
r = 4

Simplifying
r = 4

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