-(7+7r)=-9-6r

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Solution for -(7+7r)=-9-6r equation:


Simplifying
-1(7 + 7r) = -9 + -6r
(7 * -1 + 7r * -1) = -9 + -6r
(-7 + -7r) = -9 + -6r

Solving
-7 + -7r = -9 + -6r

Solving for variable 'r'.

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

Add '6r' to each side of the equation.
-7 + -7r + 6r = -9 + -6r + 6r

Combine like terms: -7r + 6r = -1r
-7 + -1r = -9 + -6r + 6r

Combine like terms: -6r + 6r = 0
-7 + -1r = -9 + 0
-7 + -1r = -9

Add '7' to each side of the equation.
-7 + 7 + -1r = -9 + 7

Combine like terms: -7 + 7 = 0
0 + -1r = -9 + 7
-1r = -9 + 7

Combine like terms: -9 + 7 = -2
-1r = -2

Divide each side by '-1'.
r = 2

Simplifying
r = 2

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