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Progression

Quick practice

Question 1 of 5

If $\left(\frac{1+b}{b}\right) x+\left(\frac{1+a}{a}\right) y=b-a$ and $\frac{x}{b}-\frac{4 y}{a}=5 ; a \neq 0, b \neq 0$ , then $true$ and $true$ , respectively, are:

A

-a and b

B

b and a

C

a and -b

D

b and -a