-8(-5-4r)=r

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


Simplifying
-8(-5 + -4r) = r
(-5 * -8 + -4r * -8) = r
(40 + 32r) = r

Solving
40 + 32r = r

Solving for variable 'r'.

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

Add '-1r' to each side of the equation.
40 + 32r + -1r = r + -1r

Combine like terms: 32r + -1r = 31r
40 + 31r = r + -1r

Combine like terms: r + -1r = 0
40 + 31r = 0

Add '-40' to each side of the equation.
40 + -40 + 31r = 0 + -40

Combine like terms: 40 + -40 = 0
0 + 31r = 0 + -40
31r = 0 + -40

Combine like terms: 0 + -40 = -40
31r = -40

Divide each side by '31'.
r = -1.290322581

Simplifying
r = -1.290322581

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