7(7-3r)=-119

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Solution for 7(7-3r)=-119 equation: 


Simplifying
7(7 + -3r) = -119
(7 * 7 + -3r * 7) = -119
(49 + -21r) = -119

Solving
49 + -21r = -119

Solving for variable 'r'.

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

Add '-49' to each side of the equation.
49 + -49 + -21r = -119 + -49

Combine like terms: 49 + -49 = 0
0 + -21r = -119 + -49
-21r = -119 + -49

Combine like terms: -119 + -49 = -168
-21r = -168

Divide each side by '-21'.
r = 8

Simplifying
r = 8

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