Question

What is `x` when `y=6` in the equation `5x+4y=39`?

Answer 1

`x = 3`

Explanation:

`5x+4y = 39`

substitute `6` for `y`

`5x+4 xx 6 = 39`

solve for `x`

`5x + 24 = 39`

`5x = 15`

`x = 3`