-185=-3r-4(-5r+8)

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Solution for -185=-3r-4(-5r+8) equation:


Simplifying
-185 = -3r + -4(-5r + 8)

Reorder the terms:
-185 = -3r + -4(8 + -5r)
-185 = -3r + (8 * -4 + -5r * -4)
-185 = -3r + (-32 + 20r)

Reorder the terms:
-185 = -32 + -3r + 20r

Combine like terms: -3r + 20r = 17r
-185 = -32 + 17r

Solving
-185 = -32 + 17r

Solving for variable 'r'.

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

Add '-17r' to each side of the equation.
-185 + -17r = -32 + 17r + -17r

Combine like terms: 17r + -17r = 0
-185 + -17r = -32 + 0
-185 + -17r = -32

Add '185' to each side of the equation.
-185 + 185 + -17r = -32 + 185

Combine like terms: -185 + 185 = 0
0 + -17r = -32 + 185
-17r = -32 + 185

Combine like terms: -32 + 185 = 153
-17r = 153

Divide each side by '-17'.
r = -9

Simplifying
r = -9

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