Questão 19 - O preço do quilo da came em um açougue é dado pela
função
P = 9x - 3, sendo x a quantidade de
quilos de came comprada e po
preço a ser pago. Comprando 7
quilos de came pagarei:
A) R$ 63,00
B) R$
60,00
D) RS
C) R$ 66,00
65,00​

D)

Step-by-step explanation:

1 3 5

step-by-step explanation:

i took the test: )

step-by-step explanation:

we are given

since, we have to isolate x on anyone side

so, we can move all x terms on one side

subtract both sides by 2x

add both sides by 9

divide both sides by 4

we get