Question

2a+3b sendo a=-1/2 e b= 2/3

Answer 1

2a+3b sendo a=-1/2 e b= 2/3

2x(-$\frac{1}{2}) + 3(\frac{2}{3}$)

= -$\frac{2}{2} + \frac{6}{3}$
=-1+2
= 1