-3(8-7r)-8=2r-13

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Solution for -3(8-7r)-8=2r-13 equation:


Simplifying
-3(8 + -7r) + -8 = 2r + -13
(8 * -3 + -7r * -3) + -8 = 2r + -13
(-24 + 21r) + -8 = 2r + -13

Reorder the terms:
-24 + -8 + 21r = 2r + -13

Combine like terms: -24 + -8 = -32
-32 + 21r = 2r + -13

Reorder the terms:
-32 + 21r = -13 + 2r

Solving
-32 + 21r = -13 + 2r

Solving for variable 'r'.

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

Add '-2r' to each side of the equation.
-32 + 21r + -2r = -13 + 2r + -2r

Combine like terms: 21r + -2r = 19r
-32 + 19r = -13 + 2r + -2r

Combine like terms: 2r + -2r = 0
-32 + 19r = -13 + 0
-32 + 19r = -13

Add '32' to each side of the equation.
-32 + 32 + 19r = -13 + 32

Combine like terms: -32 + 32 = 0
0 + 19r = -13 + 32
19r = -13 + 32

Combine like terms: -13 + 32 = 19
19r = 19

Divide each side by '19'.
r = 1

Simplifying
r = 1

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