9(2+r)=-153

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Solution for 9(2+r)=-153 equation: 


Simplifying
9(2 + r) = -153
(2 * 9 + r * 9) = -153
(18 + 9r) = -153

Solving
18 + 9r = -153

Solving for variable 'r'.

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

Add '-18' to each side of the equation.
18 + -18 + 9r = -153 + -18

Combine like terms: 18 + -18 = 0
0 + 9r = -153 + -18
9r = -153 + -18

Combine like terms: -153 + -18 = -171
9r = -171

Divide each side by '9'.
r = -19

Simplifying
r = -19

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