Question

solve 3x + y = 7 ..​

Answer 1

Answer:

3(y_7) -2(3y-4)=(2-5y)

Step-by-step explanation:

3y-21-6y+8=2-5y -3y-13 -2+5y=0 2y-15=0 y=15/2=7.5

Answer 2

Answer:

I hope this answer can help you

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Step-by-step explanation:

X = - Y + 7

3

( 3 x + Y = 7) = ( 3 x = - Y + 7 )

( 3 x = - Y + 7 ) = - Y + 7

3

- Y/ 3 term as - 1/3 y

X = - 1/3 y + 7/3