-4r-11=4n+21

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Solution for -4r-11=4n+21 equation:


Simplifying
-4r + -11 = 4n + 21

Reorder the terms:
-11 + -4r = 4n + 21

Reorder the terms:
-11 + -4r = 21 + 4n

Solving
-11 + -4r = 21 + 4n

Solving for variable 'r'.

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

Add '11' to each side of the equation.
-11 + 11 + -4r = 21 + 11 + 4n

Combine like terms: -11 + 11 = 0
0 + -4r = 21 + 11 + 4n
-4r = 21 + 11 + 4n

Combine like terms: 21 + 11 = 32
-4r = 32 + 4n

Divide each side by '-4'.
r = -8 + -1n

Simplifying
r = -8 + -1n

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