x-3y-7=0; 3x-3y-15=0 solve using cross multiplication method
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Answered by
1
Answer:
x=4
y=1
Step-by-step explanation:
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Answer:
x-3y-7=0___(1)×3
3x-3y-15=0___(2)
3x-9y-21=0
3x-3y-15=0
______
6y-6=0
6y=6
y=1
from equation (1)
x-3×1-7=0
x-3-7=0
x=10
plz mark as brainleast
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