-3(2r+7)=3

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


Simplifying
-3(2r + 7) = 3

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

Solving
-21 + -6r = 3

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 = 3 + 21

Combine like terms: -21 + 21 = 0
0 + -6r = 3 + 21
-6r = 3 + 21

Combine like terms: 3 + 21 = 24
-6r = 24

Divide each side by '-6'.
r = -4

Simplifying
r = -4

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