-7(r-9)=147

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Solution for -7(r-9)=147 equation:


Simplifying
-7(r + -9) = 147

Reorder the terms:
-7(-9 + r) = 147
(-9 * -7 + r * -7) = 147
(63 + -7r) = 147

Solving
63 + -7r = 147

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 = 147 + -63

Combine like terms: 63 + -63 = 0
0 + -7r = 147 + -63
-7r = 147 + -63

Combine like terms: 147 + -63 = 84
-7r = 84

Divide each side by '-7'.
r = -12

Simplifying
r = -12

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