caitlinb3706 caitlinb3706

01-10-2019
Mathematics

contestada

insert grouping symbols to make the answer correct. Then evaluate the expression to justify your work. 9 + 3 • 4 - 6 + 12 / 3 = -20

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scarrywolf scarrywolf

01-10-2019

9 + (3 x 4) - 6 + 12/3 3 makes 12 4 times which is why 12/3 is 4
9 + 12. -6. +. 4
21 - 6 + 4
15+4 = 20

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