Question

Is (1, 5) a solution to this system of equations?

y = -3x + 7
y = 3x + 2
yes
no

Answer 1

no

Explanation:

set both equations equal to each other

-3x+7=3x+2

+3x +3x

7=6x+2

-2 -2

6x=5

x=5/6

you can also substitute 1 in for x to find that they are not equal

-3(1)+7=4

3(1)+2=5