11(r+7)=-7(r+7)

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Solution for 11(r+7)=-7(r+7) equation:


Simplifying
11(r + 7) = -7(r + 7)

Reorder the terms:
11(7 + r) = -7(r + 7)
(7 * 11 + r * 11) = -7(r + 7)
(77 + 11r) = -7(r + 7)

Reorder the terms:
77 + 11r = -7(7 + r)
77 + 11r = (7 * -7 + r * -7)
77 + 11r = (-49 + -7r)

Solving
77 + 11r = -49 + -7r

Solving for variable 'r'.

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

Add '7r' to each side of the equation.
77 + 11r + 7r = -49 + -7r + 7r

Combine like terms: 11r + 7r = 18r
77 + 18r = -49 + -7r + 7r

Combine like terms: -7r + 7r = 0
77 + 18r = -49 + 0
77 + 18r = -49

Add '-77' to each side of the equation.
77 + -77 + 18r = -49 + -77

Combine like terms: 77 + -77 = 0
0 + 18r = -49 + -77
18r = -49 + -77

Combine like terms: -49 + -77 = -126
18r = -126

Divide each side by '18'.
r = -7

Simplifying
r = -7

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