If `(1)/(3)r+(1)/(4)s=(5)/(6)`, what is the value of 4r+3s?

If (r)/(3)=6 , what is the value of (4s)/(r) ?

If (2rs)^(-1)=3s^(-2) , what is the value of (r)/(s) ?

(8r+7)/(4s)=11 If (1)/(2)r+1=s+1 , what is the value of r+s for the equation above?

If 8! ((1)/(3!) + (5)/(4!) ) = ""^(9) P_(r) , then the value of r is

If the function r(s) is defined as 2s+3 for all values of s and r(4)=x, what is the value of r(x)?

If S=sum_(r=1)^(80)(r)/((r^4+r^2+1)) , then the value of (6481s)/(1000) is

If S=sum_(r=1)^(80)(r)/((r^4+r^2+1)) , then the value of (6481s)/(1000) is

(x+5)/(4)=(1-x)/(3x-4) If the solutions to the equation above are r and s with rgts , what is the value of r-s?

(1)/(3)r+4s=1 kr+6s=-5 In the system of equations above, k and s are nonzero constant. If the system has no solutions, what is the value of k?