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4 votes
Work out the answers to:
a) 4-7
b) (-3) + 8
c) 9-11
d) (-2) -4

User Zart
by
5.2k points

2 Answers

4 votes

Answer:

the last one is wrong on their one so the correct answer is -6

Explanation:

User Abdulbasit
by
5.5k points
3 votes

Answer:

-3, 5, -2, and 2

Explanation:

4-7 is like 7-4 and the answer you get you add a negative sign

-3+8. On a number line its 5, you move to the right because its adding, and get 5.

9-11, again on a number line, this time move to the left, because subtraction, and get -2

-2-(-4). On a number line, start at -2. Move 4 to the left, subtraction, and get -6

User Davypough
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5.9k points