Respuesta :

Answer:

1: y=5, x=2

2:y=1, x=6

3:x=5 and y=1

Step-by-step explanation:

For #1: Use substitution, substitute x=2 into the second equation

For #2: Set the two equations equal to each other and solve for y. Then plug in the value of y and solve for x.

For #3: Use substitution, substitute x=2y+3 into the second equation. Solve for y and plug in the value of y to solve for x.

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