5(7+8r)-2r=-9-6r

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Solution for 5(7+8r)-2r=-9-6r equation:


Simplifying
5(7 + 8r) + -2r = -9 + -6r
(7 * 5 + 8r * 5) + -2r = -9 + -6r
(35 + 40r) + -2r = -9 + -6r

Combine like terms: 40r + -2r = 38r
35 + 38r = -9 + -6r

Solving
35 + 38r = -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.
35 + 38r + 6r = -9 + -6r + 6r

Combine like terms: 38r + 6r = 44r
35 + 44r = -9 + -6r + 6r

Combine like terms: -6r + 6r = 0
35 + 44r = -9 + 0
35 + 44r = -9

Add '-35' to each side of the equation.
35 + -35 + 44r = -9 + -35

Combine like terms: 35 + -35 = 0
0 + 44r = -9 + -35
44r = -9 + -35

Combine like terms: -9 + -35 = -44
44r = -44

Divide each side by '44'.
r = -1

Simplifying
r = -1

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