5r-4r+4=7

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


Simplifying
5r + -4r + 4 = 7

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

Combine like terms: 5r + -4r = 1r
4 + 1r = 7

Solving
4 + 1r = 7

Solving for variable 'r'.

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

Add '-4' to each side of the equation.
4 + -4 + 1r = 7 + -4

Combine like terms: 4 + -4 = 0
0 + 1r = 7 + -4
1r = 7 + -4

Combine like terms: 7 + -4 = 3
1r = 3

Divide each side by '1'.
r = 3

Simplifying
r = 3

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