7(r-8)-r=-14-8r

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Solution for 7(r-8)-r=-14-8r equation:


Simplifying
7(r + -8) + -1r = -14 + -8r

Reorder the terms:
7(-8 + r) + -1r = -14 + -8r
(-8 * 7 + r * 7) + -1r = -14 + -8r
(-56 + 7r) + -1r = -14 + -8r

Combine like terms: 7r + -1r = 6r
-56 + 6r = -14 + -8r

Solving
-56 + 6r = -14 + -8r

Solving for variable 'r'.

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

Add '8r' to each side of the equation.
-56 + 6r + 8r = -14 + -8r + 8r

Combine like terms: 6r + 8r = 14r
-56 + 14r = -14 + -8r + 8r

Combine like terms: -8r + 8r = 0
-56 + 14r = -14 + 0
-56 + 14r = -14

Add '56' to each side of the equation.
-56 + 56 + 14r = -14 + 56

Combine like terms: -56 + 56 = 0
0 + 14r = -14 + 56
14r = -14 + 56

Combine like terms: -14 + 56 = 42
14r = 42

Divide each side by '14'.
r = 3

Simplifying
r = 3

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