6r-7-3r=28

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Solution for 6r-7-3r=28 equation: 


Simplifying
6r + -7 + -3r = 28

Reorder the terms:
-7 + 6r + -3r = 28

Combine like terms: 6r + -3r = 3r
-7 + 3r = 28

Solving
-7 + 3r = 28

Solving for variable 'r'.

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

Add '7' to each side of the equation.
-7 + 7 + 3r = 28 + 7

Combine like terms: -7 + 7 = 0
0 + 3r = 28 + 7
3r = 28 + 7

Combine like terms: 28 + 7 = 35
3r = 35

Divide each side by '3'.
r = 11.66666667

Simplifying
r = 11.66666667

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