13+2r=-6-7(r+5)

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Solution for 13+2r=-6-7(r+5) equation:


Simplifying
13 + 2r = -6 + -7(r + 5)

Reorder the terms:
13 + 2r = -6 + -7(5 + r)
13 + 2r = -6 + (5 * -7 + r * -7)
13 + 2r = -6 + (-35 + -7r)

Combine like terms: -6 + -35 = -41
13 + 2r = -41 + -7r

Solving
13 + 2r = -41 + -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.
13 + 2r + 7r = -41 + -7r + 7r

Combine like terms: 2r + 7r = 9r
13 + 9r = -41 + -7r + 7r

Combine like terms: -7r + 7r = 0
13 + 9r = -41 + 0
13 + 9r = -41

Add '-13' to each side of the equation.
13 + -13 + 9r = -41 + -13

Combine like terms: 13 + -13 = 0
0 + 9r = -41 + -13
9r = -41 + -13

Combine like terms: -41 + -13 = -54
9r = -54

Divide each side by '9'.
r = -6

Simplifying
r = -6

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