Question

please tommorow is my paper can anybody help me whose rank is genius and moderator​

Answer 1

Explanation:

1)

(a) x-1= 0

x= 0+1

x= 1

b) x+1= 0

x= 0-1

x= -1

c) x-1= 5

x= 5+1

x= 6

d) x+6= 2

x= -6+2

x= -4

e) y-4= -7

y= -7+4

y= -3

f) y-4= 4

y= 4+4

y= 8

g) y+4= 4

y= 4-4

y= 0

h) y+4= -4

y= -4-4

y= -8

2)

a) 3l= 42

l = 42/3

l = 14

b) b/2= 6

b= 2×6

b= 12

c) p/7= 4

p= 7×4

p= 28

d) 4x= 25

x= 25/4

e) 8y= 36

y= 36/8

y= 4

f) z/3 = 5/4

z= 5/4× 3

z= 15/4

g) a/5= 7/15

a= 7/15× 5

a= 7/3

h) 20t= -10

t= -10/20

t= -1/2

3)

a) 3n-2= 46

3n= 46+2

3n= 48

n= 48/3

n= 16

b) 5m+7= 17

5m= 17-7

5m= 10

m= 10/5

m= 2

c) 20p/3= 40

20p= 40× 3

20p= 120

p= 120/20

p= 6

d) 3p/10= 6

3p= 10×6

3p= 60

p= 60/3

p= 20

4)

a) 10p= 100

p= 100/10

p= 10

b) 10p+10= 100

10p= 100-10

10p= 90

p= 90/10

p= 9

c) p/4= 5

p= 4×5

p= 20

d) -p/3= 5

-p= 3×5

-p= 15

p= -15

e) 3p/4= 6

3p= 6×4

3p= 24

p= 24/3

p= 8

f) 3s= -9

s= -9/3

s= -3

g) 3s+12= 0

3s= 0-12

3s= -12

s= -12/3

s= -4

h) 3s= 0

s= 3×0

s= 0

i) 2q= 6

q= 6/2

q= 3

j) 2q-6= 0

2q= 0+6

2q= 6

q= 6/2

q= 3

k) 2q+6= 0

2q= 0-6

2q= -6

q= -6/2'

q= -3

l) 2q+6= 12

2q= 12-6

2q= 6

q= 6/2

q= 3

Answer 2

Answer:

1)

(a) x-1= 0

x= 0+1  

x= 1  

b) x+1= 0  

x= 0-1  

x= -1  

c) x-1= 5  

x= 5+1  

x= 6  

d) x+6= 2  

x= -6+2  

x= -4  

e) y-4= -7  

y= -7+4  

y= -3  

f) y-4= 4  

y= 4+4  

y= 8

g) y+4= 4  

y= 4-4  

y= 0  

h) y+4= -4

y= -4-4

y= -8  

2)

a) 3l= 42  

l = 42/3  

l = 14  b) b/2= 6

b= 2×6  

b= 12  

c) p/7= 4

p= 7×4

p= 28

d) 4x= 25

x= 25/4

e) 8y= 36

y= 36/8  

y= 4  

f) z/3 = 5/4  

z= 5/4× 3  

z= 15/4

g) a/5= 7/15  

a= 7/15× 5  

a= 7/3  

h) 20t= -10  

t= -10/20

t= -1/2  

3)

a) 3n-2= 46

3n= 46+2

3n= 48

n= 48/3

n= 16

b) 5m+7= 17

5m= 17-7

5m= 10

m= 10/5

m= 2  

c) 20p/3= 40  

20p= 40× 3

20p= 120

p= 120/20

p= 6  

d) 3p/10= 6  

3p= 10×6  

3p= 60

p= 60/3

p= 20

4)

a) 10p= 100

p= 100/10

p= 10

b) 10p+10= 100

10p= 100-10

10p= 90

p= 90/10

p= 9

c) p/4= 5

p= 4×5

p= 20

d) -p/3= 5

-p= 3×5

-p= 15

p= -15

e) 3p/4= 6

3p= 6×4

3p= 24

p= 24/3

p= 8

f) 3s= -9

s= -9/3

s= -3

g) 3s+12= 0

3s= 0-12

3s= -12

s= -12/3

s= -4

h) 3s= 0

s= 3×0

s= 0

i) 2q= 6

q= 6/2

q= 3

j) 2q-6= 0

2q= 0+6

2q= 6

q= 6/2

q= 3

k) 2q+6= 0

2q= 0-6

2q= -6

q= -6/2'

q= -3

l) 2q+6= 12

2q= 12-6

2q= 6

q= 6/2

q= 3

Explanation:

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