Question

How do you solve y=2x+10 and y=-2x-6?

Answer 1

`x=-4`
`y=2`

Explanation:

`y=2x+10` -----(1)
`y=-2x-6` ------------(2)

Substitute `y=2x+10` in equation (2)

`2x+10=-2x-6`
`2x+2x=--6-10`
`4x=-16`
`x=(-16)/4=-4`

Substitute `x=-4` in equation (1)

`y=2(-4)+10`
`y=-8+10=2`