Solve the system of equations 3x + y = 3 and 7x + 2y = 1.

1 Solve for the variable y in the first equation: y = 3 - 3x

2. Substitute the value for y into the second equation: 7x + 2 (3 - 3x) = 1

3. Solve for x

Whats the vertex of f (x) = |x+1|+3

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