Is (3,-4) a solution to the equation 5x + 2y=7?

2 Answers
Feb 27, 2018

yes it is

Explanation:

to check for stuff like this, you have to use your points. substitute your numbers for x,y into the equation and see if it matches what you have on the other side

Feb 27, 2018

Yes, it is.

Explanation:

Plug in the points and find out:

color(white)=>5x + 2y=7

=>5(3)+2(-4)stackrel?=7

color(white)=>15+(-8)stackrel?=7

color(white)=>15-8stackrel?=7

color(white)=>7=7

The statement is true, so the point (3,-4) is a solution in the equation.