Resposta :
[tex] \frac{(x+3) + (4x-3)}{2} = 2x +2 \rightarrow \frac{5x}{2}= 2x+2\rightarrow 5x=4x+4\rightarrow x=4[/tex]
Logo a base menor mede 7
M = b1 + b2
2
2(2x+2) = x+3 + 4x - 3
4x + 4 = 5x
x = 4
1) 4 +3 = 7
2) 4.4 - 3 = 13
3) 2.4 + 2 = 8+2 = 10