-11-11(3+9r)=63+8r

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Solution for -11-11(3+9r)=63+8r equation:


Simplifying
-11 + -11(3 + 9r) = 63 + 8r
-11 + (3 * -11 + 9r * -11) = 63 + 8r
-11 + (-33 + -99r) = 63 + 8r

Combine like terms: -11 + -33 = -44
-44 + -99r = 63 + 8r

Solving
-44 + -99r = 63 + 8r

Solving for variable 'r'.

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

Add '-8r' to each side of the equation.
-44 + -99r + -8r = 63 + 8r + -8r

Combine like terms: -99r + -8r = -107r
-44 + -107r = 63 + 8r + -8r

Combine like terms: 8r + -8r = 0
-44 + -107r = 63 + 0
-44 + -107r = 63

Add '44' to each side of the equation.
-44 + 44 + -107r = 63 + 44

Combine like terms: -44 + 44 = 0
0 + -107r = 63 + 44
-107r = 63 + 44

Combine like terms: 63 + 44 = 107
-107r = 107

Divide each side by '-107'.
r = -1

Simplifying
r = -1

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