Question

The pair of equations x + 2y + 5 = 0 and -3x - 5y + 10 have
a.) infinite number of solutions by dnique solution c) no solution d) one solution
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Answer 1

option-a

x+2y+5=0

let x=(-1) and y=(-2)

(-1)+2×(-2)+5=0

(-1)-4+5=0

(-5)+5=0

0=0