How many solutions does 5 - 2x= 4 - 2x +4+x have?

Can someone me my sister? she is in third grade. 50 points and brainlist! ones that are not answered. plz and thx!

(08.01)consider the following pair of equations: x + y = −2 y = 2x + 10 if the two equations are graphed, at what point do the lines representing the two equations intersect? (−4, 2) (4, 2) (−2, 4) (2, 4)

Angle that produces maximum distance