Question

How do you solve the following system: #7y − 6x − 5 = 0, 7y - 2x = 10 #?

Answer 1

`x=0.8`

Explanation:

`7y - 6x - 5=0` (+5)
`7y-2x=10`

`7y - 6x = 5`
`7y - 2x = 10`

subtract:

`-4x = -5`

divide by `4`:
`-x = -0.8`

multiply by `-1`:
`x = 0.8`