4r-41+8r=7

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Solution for 4r-41+8r=7 equation:


Simplifying
4r + -41 + 8r = 7

Reorder the terms:
-41 + 4r + 8r = 7

Combine like terms: 4r + 8r = 12r
-41 + 12r = 7

Solving
-41 + 12r = 7

Solving for variable 'r'.

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

Add '41' to each side of the equation.
-41 + 41 + 12r = 7 + 41

Combine like terms: -41 + 41 = 0
0 + 12r = 7 + 41
12r = 7 + 41

Combine like terms: 7 + 41 = 48
12r = 48

Divide each side by '12'.
r = 4

Simplifying
r = 4

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