Question

What operation must be done to both sides of the equation to solve for p- -3 7/9 = 5/6?

A) add 5/6. B) subtract 3 7/9. C) subtract 5/6. D) add 3 7/9

Answer 1

Given equation: p - -3 7/9 = 5/6

When you subtract a negative number you automatically change it to adding a positive number.

p - -3 7/9 = 5/6 → p + 3 7/9 = 5/6

To isolate p in this equation we need to subtract 3 7/9 to both sides.

p + 3 7/9 - 3 7/9 = 5/6 - 3 7/9

p = -161/18

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