Question

3х - 4y = = 6
Зу - 7 = x

Answer 1

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`