Question

Complete the solution of the equation find the value of y when x equals 9
3x+4y=43

Answer 1

The value of y in 3x + 4y = 43 when x equals 9 is 4.

Solution:

The given equation is as follows:

3x + 4y = 43

We are asked to find the value of y when x=9

So we have to substitute the value of x in the given equation and then simplify it to get the value of y.

Now, by substituting the value of x we get

`3 * 9+4 y=43`

Now we solve the equation for the value of y as there is only one variable in the equation.

27 + 4y = 43

Taking 27 to the other side

4y = 43 - 27

4y = 16

y = 4.

Hence the value of y when x equals 9 is 4.