Liz S.
asked • 10/20/16y=200+75 y=125x
substitution way and addition way
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1 Expert Answer
Arthur D. answered • 10/20/16
Tutor
4.9
(306)
Forty Year Educator: Classroom, Summer School, Substitute, Tutor
y=200x+75
y=125x
125x=200x+75
125x-200x=75
-75x=75
x=-1
y=125*(-1)
y=-125
(-1,-125)
y=200x+75
y=125x
y=200x+75
-y=-125x
add
0=75x+75
-75x=75
x=-1
y=-200+75
y=-125
(-1,-125)
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Michael A.
10/20/16