Use addition or substitution to find the value of x for this set of equations. top line x - y = 120 bpttom line x + y = 150
Hi Amber,
x - y = 120 (-y +y=0)
x + y = 150
__________
2x= 270
x= 135
Use addition or substitution to find the value of x for this set of equations. top line x - y = 120 bpttom line x + y = 150
Hi Amber,
x - y = 120 (-y +y=0)
x + y = 150
__________
2x= 270
x= 135
Comments
Thank u so muchh