8rs+5s+7rs+5rs=

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Solution for 8rs+5s+7rs+5rs= equation:


Simplifying
8rs + 5s + 7rs + 5rs = 0

Reorder the terms:
8rs + 7rs + 5rs + 5s = 0

Combine like terms: 8rs + 7rs = 15rs
15rs + 5rs + 5s = 0

Combine like terms: 15rs + 5rs = 20rs
20rs + 5s = 0

Solving
20rs + 5s = 0

Solving for variable 'r'.

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

Add '-5s' to each side of the equation.
20rs + 5s + -5s = 0 + -5s

Combine like terms: 5s + -5s = 0
20rs + 0 = 0 + -5s
20rs = 0 + -5s
Remove the zero:
20rs = -5s

Divide each side by '20s'.
r = -0.25

Simplifying
r = -0.25

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