-6+7r+8+5=-1+3r

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Solution for -6+7r+8+5=-1+3r equation:


Simplifying
-6 + 7r + 8 + 5 = -1 + 3r

Reorder the terms:
-6 + 8 + 5 + 7r = -1 + 3r

Combine like terms: -6 + 8 = 2
2 + 5 + 7r = -1 + 3r

Combine like terms: 2 + 5 = 7
7 + 7r = -1 + 3r

Solving
7 + 7r = -1 + 3r

Solving for variable 'r'.

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

Add '-3r' to each side of the equation.
7 + 7r + -3r = -1 + 3r + -3r

Combine like terms: 7r + -3r = 4r
7 + 4r = -1 + 3r + -3r

Combine like terms: 3r + -3r = 0
7 + 4r = -1 + 0
7 + 4r = -1

Add '-7' to each side of the equation.
7 + -7 + 4r = -1 + -7

Combine like terms: 7 + -7 = 0
0 + 4r = -1 + -7
4r = -1 + -7

Combine like terms: -1 + -7 = -8
4r = -8

Divide each side by '4'.
r = -2

Simplifying
r = -2

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