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please answer this question
in 2 min
please
Answers
Answer:
1.
a. no
b. no
c. yes
d. no
e. yes
f. no
g. yes
h. no
i. no
j. no
k. yes
2.
a. no
b. no
c. yes
d. no
e. no
f. no
Plz mark me as the brainliast.
Ques1- (i)x+3=0
x=0-3
x=-3
Not satisfied.
______________
(ii)x+3=0
x=0-3
x=-3
Not satisfied.
_______________
(iii) x+3=0
x=0-3
x=-3
Satisfied.
________________
(iv)x-7=1
x=1+7
x=8
Not satisfied
_________________
(v)x-7=1
x=1+7
x=8
Satisfied
_________________
(vi)5x=25
x=25/5
x=5
Not satisfied
_________________
(vii)5x=25
x=25/5
x=5
Satisfied
_________________
(viii)5x=25
x=25/5
x=5
Not Satisfied
_________________
(ix)m/3=2
m=2×3
m=6
Not Satisfied
________________
(x)m/3=2
m=2×3
m=6
Not satisfied
________________
(xi)m/3=2
m=2×3
m=6
Satisfied
________________
Ques2- (i)n+5=19(n=1)
n=19-5
n=14
(ii)7x+5=19(n=-2)
7x=19-5
7x=14
x=14/7
x=2
(iii)7x+5=19(n=2)
7x=19-5
7x=14
x=14/7
x=2
(iv)4p-3=13(p=1)
4p=13+3
4p=16
p=16/4
p=4
(v) 4p-3=13(p=-4)
4p=13+3
4p=16
p=16/4
p=4
(vi)4p-3=13(p=0)
4p=13+3
4p=16
p=16/4
p=4
Ques3- (i) Putting p=3
5p+2=17
5(3)+2=17
15+2=17
17=17
It is true
: P=3 is a solution
(ii) Putting m=6
3m-14=4
3(6)-14=4
18-14=4
4=4
It is true
:m=6 is a solution.
Ques4- (i) x+4=9
(ii)y-2=8
(iii)10a=70
(iv)b/5=6
(v)3+4=15
(vi)7m+7=77
(vii)x4-4=4
(viii)6y-6=60
(ix)z/3+3=30
Ques5- (i) The sum of numbers p and 4 is 15.
(ii)7 subtracted from m is 3.
(iii)Two times m is 7.
(iv)The number m divided by 5 gives 3.
(v)Three times m divided by 5 gives 6.
(vi)The sum of 3 times p and 4 is 25.
(vii)2 subtracted from 4 times p gives 18.
(viii) p divided by 2 and adds 2 gives 8.