-85=3-2(1-8r)

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Solution for -85=3-2(1-8r) equation:


Simplifying
-85 = 3 + -2(1 + -8r)
-85 = 3 + (1 * -2 + -8r * -2)
-85 = 3 + (-2 + 16r)

Combine like terms: 3 + -2 = 1
-85 = 1 + 16r

Solving
-85 = 1 + 16r

Solving for variable 'r'.

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

Add '-16r' to each side of the equation.
-85 + -16r = 1 + 16r + -16r

Combine like terms: 16r + -16r = 0
-85 + -16r = 1 + 0
-85 + -16r = 1

Add '85' to each side of the equation.
-85 + 85 + -16r = 1 + 85

Combine like terms: -85 + 85 = 0
0 + -16r = 1 + 85
-16r = 1 + 85

Combine like terms: 1 + 85 = 86
-16r = 86

Divide each side by '-16'.
r = -5.375

Simplifying
r = -5.375

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