Question

1-Determine o valor numérico das expressões:

a)x+1,p/x =10

b)2x +1,p/x=5

c)5x+3,p/x=6

d)4x+5,p/x=2

e)2x+3y,p/x=8 e y=5

f)5x-7yx=9 e y=2

Answer 1

1)a)x+1
10+1=11

b)2x+1
2.5+1
10+1=11

c)5x+3
5.6+3
30+3=33

d)4x+5
4.2+5
8+5=13

e)2x+3y
2.8+3.5
16+15=31

f)5x-7y
5.9-7.2
45-14=31