8r-7(-3r+8)=6(r+6)

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Solution for 8r-7(-3r+8)=6(r+6) equation:


Simplifying
8r + -7(-3r + 8) = 6(r + 6)

Reorder the terms:
8r + -7(8 + -3r) = 6(r + 6)
8r + (8 * -7 + -3r * -7) = 6(r + 6)
8r + (-56 + 21r) = 6(r + 6)

Reorder the terms:
-56 + 8r + 21r = 6(r + 6)

Combine like terms: 8r + 21r = 29r
-56 + 29r = 6(r + 6)

Reorder the terms:
-56 + 29r = 6(6 + r)
-56 + 29r = (6 * 6 + r * 6)
-56 + 29r = (36 + 6r)

Solving
-56 + 29r = 36 + 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.
-56 + 29r + -6r = 36 + 6r + -6r

Combine like terms: 29r + -6r = 23r
-56 + 23r = 36 + 6r + -6r

Combine like terms: 6r + -6r = 0
-56 + 23r = 36 + 0
-56 + 23r = 36

Add '56' to each side of the equation.
-56 + 56 + 23r = 36 + 56

Combine like terms: -56 + 56 = 0
0 + 23r = 36 + 56
23r = 36 + 56

Combine like terms: 36 + 56 = 92
23r = 92

Divide each side by '23'.
r = 4

Simplifying
r = 4

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