Question

Which expressions are equivalent to - 7z+(-2.5) + 3.5z + 4y - 1.5?

Select all that apply.
A. 4 + 4y + 3.5z
B. -3.5z + 4y -4
C. -4+4y+(-3.5z)
D. 4y-4-3.5z
E. 4y +(-3.5z)-2.5

Answer 1

The answer is option B

Explanation:

-7z - 2.5 + 3.5z + 4y - 1.5

- 3.5 z + 4y - 4 (B)

// in case you are wondering the reason i got -2.5 is + sign outside and the - sign inside = -2.5

// Basically I just combined the like terms and solved it