Addition of Negative Numbers

Q.

Verify that -(-x) =x for x=11 upon 15

Q.

The sum of two negative integers is always

1. $0$

2. negative

3. $-1$

4. positive

Q.

Three consecutive integers add up to 51 find the integers

Q. Subtraction is associative for

1. integers
2. whole numbers
3. no number system
4. rational numbers

Q.

(2/5)*(-3/7)-1/6*3/2+1/14*2/5

Q. (7x+14)/(3-17-3x)=(4x+2)/3-5

Q.

the sum of two rational numbers is -8 if one of them is5/9, find the other

Q.

2/3 x [-6/7+4/5]=[ 2/3 x 4/5] x (-6/7)

Q.

What are numbers and their importance?

Q.

Arrange in ascending order:

-1, -11 , 111 , -111 , 11 , 0 , 1

1. -1 , -11 , 111 , -111 , 11 , 0 , 1

2. -111 , -11 , -1 , 0 , 1 , 11 , 111

3. -1 , 11 , 111 , -111 , -11 , 0 , 1

4. 1, -11 , -111 , 111 , 11 , 0 , -1

Q. Zero is an number.

1. even
2. odd
3. negative
4. positive

Q.

The number of non negative integers which are less than 1000 and end with only one zero is

Q.

Name the property involved in the following expression:

$\frac{8}{5}+0=\frac{8}{5}=0+\frac{8}{5}$

Q. 1)Using appropriate properties find
1), -2/3*3/5+5/2-3/5*1/6
2)2/5*[-3/7 ]- 1/6*3/2+1/14*2/5

​​​ please solve this question in a simple way
and step by step

Q. When three consecutive even integers are added, the sum is zero. Find the integers.

Q. Find the value of: (1-1/3 )(1-1/4)( 1-1/5) _____?_____ 1-1/n

Q.

2x-3/2 - x+1/3 = 3x-8/4

Q.

Solve: $8y+4=3(y-1)+7$

Q. A test consists of 60 multiple choice questions. 3 marks are given for each correct answer and 1 mark is deducted for each wrong answer. If Vinita attempted all questions and scored 60 marks, then how many questions did she attempt correctly?

1. 35
2. 40
3. 25
4. 30

Q.

On the following number line, $(-4)\times 3$ is represented by the point ___ .

1. C

2. B

3. A

4. D

Q.

Successive subtraction of 125

Q.

1. x - 31 =0

2. x - 31 = 0

3. x + 30 =0

4. x + 31 =0

Q.

Fill in the blanks $\frac{-2}{9}=\frac{?}{63}=\frac{?}{81}$

Q. Subtraction is not associative.

1. True
2. False

Q.

How many pairs of integers are there, satisfying the equation $x^2+y^2=25?$

1. 3 pairs

2. 4 pairs

3. 2 pairs

4. 8 pairs

Q.

The expression 21b - 32 + 7b - 20b on simplification gives

1. 24b

2. 32 - 8b

3. 8b + 32

4. 8b - 32

Q. Simplify the following expression:

1. -6
2. -3
3. 3
4. 6

Q.

Find the additive inverse of each of the following numbers:

Q.

three consecutive integers add up to 51 what are these integer

Q.

Verify that -(-x) =x for :

1. X=11/15

2. X=-13/17