-5(8r-4-7s)=

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Solution for -5(8r-4-7s)= equation:


Simplifying
-5(8r + -4 + -7s) = 0

Reorder the terms:
-5(-4 + 8r + -7s) = 0
(-4 * -5 + 8r * -5 + -7s * -5) = 0
(20 + -40r + 35s) = 0

Solving
20 + -40r + 35s = 0

Solving for variable 'r'.

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

Add '-20' to each side of the equation.
20 + -40r + -20 + 35s = 0 + -20

Reorder the terms:
20 + -20 + -40r + 35s = 0 + -20

Combine like terms: 20 + -20 = 0
0 + -40r + 35s = 0 + -20
-40r + 35s = 0 + -20

Combine like terms: 0 + -20 = -20
-40r + 35s = -20

Add '-35s' to each side of the equation.
-40r + 35s + -35s = -20 + -35s

Combine like terms: 35s + -35s = 0
-40r + 0 = -20 + -35s
-40r = -20 + -35s

Divide each side by '-40'.
r = 0.5 + 0.875s

Simplifying
r = 0.5 + 0.875s

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