8(r+7)+5r=-5(6+6r)

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Solution for 8(r+7)+5r=-5(6+6r) equation:


Simplifying
8(r + 7) + 5r = -5(6 + 6r)

Reorder the terms:
8(7 + r) + 5r = -5(6 + 6r)
(7 * 8 + r * 8) + 5r = -5(6 + 6r)
(56 + 8r) + 5r = -5(6 + 6r)

Combine like terms: 8r + 5r = 13r
56 + 13r = -5(6 + 6r)
56 + 13r = (6 * -5 + 6r * -5)
56 + 13r = (-30 + -30r)

Solving
56 + 13r = -30 + -30r

Solving for variable 'r'.

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

Add '30r' to each side of the equation.
56 + 13r + 30r = -30 + -30r + 30r

Combine like terms: 13r + 30r = 43r
56 + 43r = -30 + -30r + 30r

Combine like terms: -30r + 30r = 0
56 + 43r = -30 + 0
56 + 43r = -30

Add '-56' to each side of the equation.
56 + -56 + 43r = -30 + -56

Combine like terms: 56 + -56 = 0
0 + 43r = -30 + -56
43r = -30 + -56

Combine like terms: -30 + -56 = -86
43r = -86

Divide each side by '43'.
r = -2

Simplifying
r = -2

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