(4r-7)=27

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Solution for (4r-7)=27 equation: 


Simplifying
(4r + -7) = 27

Reorder the terms:
(-7 + 4r) = 27

Remove parenthesis around (-7 + 4r)
-7 + 4r = 27

Solving
-7 + 4r = 27

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 + 4r = 27 + 7

Combine like terms: -7 + 7 = 0
0 + 4r = 27 + 7
4r = 27 + 7

Combine like terms: 27 + 7 = 34
4r = 34

Divide each side by '4'.
r = 8.5

Simplifying
r = 8.5

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