3(7r-7)=-6

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Solution for 3(7r-7)=-6 equation:


Simplifying
3(7r + -7) = -6

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

Solving
-21 + 21r = -6

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 + 21r = -6 + 21

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

Combine like terms: -6 + 21 = 15
21r = 15

Divide each side by '21'.
r = 0.7142857143

Simplifying
r = 0.7142857143

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