Question

If 2x-9;4y+3=19 and 5z-1=29,then the value of 3x+7y+5z is​

Answer 1

Answer:

71.5

Step-by-step explanation:

So,

We find the value of x,y,z then put the value of x,y,z in equation 3x + 7y + 5z

=》3(4.5) + 7(4) + 5(6)

=》13.5 + 28 + 30

=》71.5