WyzAnt.comUse addition or substitution to find the value of x for this set of equations. top line x - y = 120 bpttom line x + y = 150
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
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1 Answer
Hi Amber,
x - y = 120 (-y +y=0)
x + y = 150
__________
2x= 270
x= 135
Comments
Thank u so muchh
- Amber J. from Nashville, TN 2/25/2013