Mathematics, 12.11.2020 03:00 yhhh

4. Find the sum of (0.75x - 12y) and (-5 + 6y - 0.5x)

Show each step of your work.

5. Which expression(s) is/are equivalent to 8-2(5x-3). Show your work to justify your decision.

a. 6(5x-3)

b. 8-10x+6

c. 8-(10x-6)

d. 8-10x-6

e. -10x+14

6. In math class, students are attempting to simplify the expression written on the board: 7 - 2 (3 - 8x)

Three students make an attempt at a first step:

Len writes: 5 (3 - 8x)

Monty writes: 7 - 2 (-5x)

Nailany writes: 7 - 6 - 16x

Do you agree with any of the students? Explain your reasoning for each one.

Answers: 3

Show answers

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4. Find the sum of (0.75x - 12y) and (-5 + 6y - 0.5x)

Show each step of your work.
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