Question

1. Find the value of -3 – (-4) using number line.

2. Solve i) 20 + (-72) ii) (-7) X (-5) X 2


4. Find the sum :- a + 5b +7c, 2a + 10b + 9c

3. Find x : 7x + 10 = 80.

4. If the cost of 6 cans of juice is Rs.210, then what will be the cost of
4 cans of juice?

5. The product of two integers is -120. If one number is -15, Find the

other number.

III. Practical geometry 1 X 4 = 4

6. Construct the given angle using protractor and draw a bisector of

the angle using ruler and compass. i) 60°​

Answer 1

Answer:

1 ) 1

2 ) -52

70

3) 3a + 15b + 16c

4) x=10

5) -105

6) I can't draw in the mobile sorry....

Step-by-step explanation:

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Answer 2

1. -3-(-4)

-3+4

1

2. a. 20+(-72)

20-72

-52

3. 7x +10 = 80

7x = 80-10

7x = 70

x = 70/7

x = 10

sorry I only know three

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