3 years ago

Solve this system by substitution 7x-y=3y=x+3

1 answer:

3 0

Answer:

7x-y=3 (1)

y=x+3 (2)

Replace y = x + 3 in (1) => 7x- (x + 3) = 3

=> 6x-3 = 3 => x = 1 => instead of (2) => y = 4

So: x = 1, y = 4 is the solution of the system of equations

Step-by-step explanation:

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Solve this system by substitution 7x-y=3y=x+3​