X-3Y-7=0 ,3X-3Y-15=0 Solve In Substitution Methods
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Answered by
5
Answer:
4 and -1
Step-by-step explanation:
x-3y=7
3x-3y=15 can be written as x-y=5
x=5+y
5+y-3y=7
-2y=2
y=-1
x=5-1=4
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