7(-7r+2)=-84

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Solution for 7(-7r+2)=-84 equation:


Simplifying
7(-7r + 2) = -84

Reorder the terms:
7(2 + -7r) = -84
(2 * 7 + -7r * 7) = -84
(14 + -49r) = -84

Solving
14 + -49r = -84

Solving for variable 'r'.

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

Add '-14' to each side of the equation.
14 + -14 + -49r = -84 + -14

Combine like terms: 14 + -14 = 0
0 + -49r = -84 + -14
-49r = -84 + -14

Combine like terms: -84 + -14 = -98
-49r = -98

Divide each side by '-49'.
r = 2

Simplifying
r = 2

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