-3(r+7)=-4

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Solution for -3(r+7)=-4 equation:


Simplifying
-3(r + 7) = -4

Reorder the terms:
-3(7 + r) = -4
(7 * -3 + r * -3) = -4
(-21 + -3r) = -4

Solving
-21 + -3r = -4

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 = -4 + 21

Combine like terms: -21 + 21 = 0
0 + -3r = -4 + 21
-3r = -4 + 21

Combine like terms: -4 + 21 = 17
-3r = 17

Divide each side by '-3'.
r = -5.666666667

Simplifying
r = -5.666666667

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