-3(2r+7)=17

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Solution for -3(2r+7)=17 equation:


Simplifying
-3(2r + 7) = 17

Reorder the terms:
-3(7 + 2r) = 17
(7 * -3 + 2r * -3) = 17
(-21 + -6r) = 17

Solving
-21 + -6r = 17

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 + -6r = 17 + 21

Combine like terms: -21 + 21 = 0
0 + -6r = 17 + 21
-6r = 17 + 21

Combine like terms: 17 + 21 = 38
-6r = 38

Divide each side by '-6'.
r = -6.333333333

Simplifying
r = -6.333333333

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