-9(1+r)=36

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Solution for -9(1+r)=36 equation: 


Simplifying
-9(1 + r) = 36
(1 * -9 + r * -9) = 36
(-9 + -9r) = 36

Solving
-9 + -9r = 36

Solving for variable 'r'.

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

Add '9' to each side of the equation.
-9 + 9 + -9r = 36 + 9

Combine like terms: -9 + 9 = 0
0 + -9r = 36 + 9
-9r = 36 + 9

Combine like terms: 36 + 9 = 45
-9r = 45

Divide each side by '-9'.
r = -5

Simplifying
r = -5

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