7(r-9)=0

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Solution for 7(r-9)=0 equation: 


Simplifying
7(r + -9) = 0

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

Solving
-63 + 7r = 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 + 7r = 0 + 63

Combine like terms: -63 + 63 = 0
0 + 7r = 0 + 63
7r = 0 + 63

Combine like terms: 0 + 63 = 63
7r = 63

Divide each side by '7'.
r = 9

Simplifying
r = 9

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