Test:
Linear equations II - Challenging
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Question 1:
Solve
1
2
x
−
1
=
1
3
x
A
−
6
B
−
1
6
C
1
6
D
6
Question 2:
Solve
x
−
3
3
−
2
x
9
=
2
A
0
B
27
C
1
D
−
27
Question 3:
Solve
1
+
x
+
17
5
=
3
x
−
7
4
A
11
123
B
−
11
2
11
C
11
2
11
D
−
11
123
Question 4:
From two sites collected
46
k
g
of tomato. How many vegetables were collected from each plot if the second harvested
6
k
g
more than the first?
A
16
k
g
and
26
k
g
B
20
k
g
and
26
k
g
C
10
k
g
and
36
k
g
D
16
k
g
and
30
k
g
Question 5:
Father is
35
years old and the son is
12
years old. In how many years father will be twice as old as the son?
A
10
years
B
12
years
C
11
years
D
2
years
Question 6:
The boat traveled the distance between the two marinas for
2
hours and back for
3
hours. The current speed is
2
k
m
h
. Find the speed of the boat.
A
11
k
m
h
B
10
k
m
h
C
12
k
m
h
D
15
k
m
h
Question 7:
Solve
2
x
=
8
A
−
4
B
0
C
4
and
−
4
D
4
Question 8:
Solve
5
−
3
x
=
9
A
4
2
3
B
−
1
1
3
and
4
2
3
C
1
1
3
D
1
1
3
and
4
2
3
Question 9:
Solve the equation
x
−
4
=
1
A
x
=
5
x
=
−
3
B
x
=
5
x
=
3
C
x
=
−
5
x
=
−
3
D
x
=
5
x
=
−
5
x
=
3
x
=
−
3
Question 10:
For which values of
a
expression
a
x
=
4
+
a
have no roots?
A
−
4
B
4
C
1
D
0
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