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18 votes
18 votes
−1/2(7z+4)+1/5(5z−15) =

User Eric Lamb
by
2.5k points

2 Answers

16 votes
16 votes

Answer:

- 5/2 (z + 2)

Explanation:

Distribute

- 7/2 z - 2 + z - 3

Subtract the numbers

- 7/2 z - 5 + z

Combine like terms

- 5/2 z - 5

Common factor

- 5/2 (z + 2)

User Benelgiac
by
2.6k points
27 votes
27 votes
Your solution is -5/2(z+2)


User Yaroslav Grishajev
by
3.0k points