Question

1) Determine a e b reais:
a) (a, 6) = (-2, b)

b) (2a, 3b + 1) = (4, 9 – b)

Answer 1

a) (a, 6) = (-2, b)

a=-2

b=6

b) (2a, 3b + 1) = (4, 9 – b)

2a=4 ==>a=4/2=2

3b+1=9-b  ==>3b+b=9-1  ==>4b=8  ==>b=2