-3(r+7)=50

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Solution for -3(r+7)=50 equation:


Simplifying
-3(r + 7) = 50

Reorder the terms:
-3(7 + r) = 50
(7 * -3 + r * -3) = 50
(-21 + -3r) = 50

Solving
-21 + -3r = 50

Solving for variable 'r'.

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

Add '21' to each side of the equation.
-21 + 21 + -3r = 50 + 21

Combine like terms: -21 + 21 = 0
0 + -3r = 50 + 21
-3r = 50 + 21

Combine like terms: 50 + 21 = 71
-3r = 71

Divide each side by '-3'.
r = -23.66666667

Simplifying
r = -23.66666667

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