Place grouping symbols in the expression so that it has a value of 22.
3 • 4 – 2 + 5 + 7
3 • [4 – (2 + 5) + 7]
(3 • 4) – [2 + (5 + 7)]
[(3 • 4) – 2] + (5 + 7)
3 • (4 – 2) + (5 + 7)
3 • 4 – 2 + 5 + 7
3 • [4 – (2 + 5) + 7]
(3 • 4) – [2 + (5 + 7)]
[(3 • 4) – 2] + (5 + 7)
3 • (4 – 2) + (5 + 7)