2(7+3r)=-r

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


Simplifying
2(7 + 3r) = -1r
(7 * 2 + 3r * 2) = -1r
(14 + 6r) = -1r

Solving
14 + 6r = -1r

Solving for variable 'r'.

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

Add 'r' to each side of the equation.
14 + 6r + r = -1r + r

Combine like terms: 6r + r = 7r
14 + 7r = -1r + r

Combine like terms: -1r + r = 0
14 + 7r = 0

Add '-14' to each side of the equation.
14 + -14 + 7r = 0 + -14

Combine like terms: 14 + -14 = 0
0 + 7r = 0 + -14
7r = 0 + -14

Combine like terms: 0 + -14 = -14
7r = -14

Divide each side by '7'.
r = -2

Simplifying
r = -2

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