9(r+7)=

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Solution for 9(r+7)= equation: 


Simplifying
9(r + 7) = 0

Reorder the terms:
9(7 + r) = 0
(7 * 9 + r * 9) = 0
(63 + 9r) = 0

Solving
63 + 9r = 0

Solving for variable 'r'.

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

Add '-63' to each side of the equation.
63 + -63 + 9r = 0 + -63

Combine like terms: 63 + -63 = 0
0 + 9r = 0 + -63
9r = 0 + -63

Combine like terms: 0 + -63 = -63
9r = -63

Divide each side by '9'.
r = -7

Simplifying
r = -7

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