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3х - 4y = = 6 Зу - 7 = x

3х - 4y = = 6 Зу - 7 = x
asked 13.2k views
12 votes
3х - 4y = = 6
Зу - 7 = x

asked
User Charlie Davies
by
8.2k points

1 Answer

7 votes

Answer:

x=9.2

y=5.4

Explanation:

first plug in x in the 1st equation


3(3y-7)-4y=6\\9y-21-4y=6\\5y-21=6\\5y=27\\y=5.4

now plug in y


3(5.4)-7=x\\16.2-7=x\\x=9.2

answered
User Oskar Duveborn
by
8.8k points
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