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Mathematics
Linear Equations In One Variable
NCERT Solutions
NCERT Solutions
Linear Equations In One Variable
20 Solutions
Exercise:
All Exercises
Exercise 2.1
Exercise 2.2
Q1
Exercise 2.1
Solve the following equations and check your results.
3
x
=
2
x
+
18
3x = 2x + 18
3
x
=
2
x
+
18
Q2
Exercise 2.1
5t - 3 = 3t - 5
Q3
Exercise 2.1
5x + 9 = 5 + 3x
Q4
Exercise 2.1
4z + 3 = 6 + 2z
Q5
Exercise 2.1
2x - 1 = 14 - x
Q6
Exercise 2.1
8x + 4 = 3(x - 1) + 7
Q7
Exercise 2.1
x
=
4
5
(
x
+
10
)
x = \frac{4}{5}(x + 10)
x
=
5
4
(
x
+
10
)
Q8
Exercise 2.1
2
x
3
+
1
=
7
x
15
+
3
\frac{2x}{3} + 1 = \frac{7x}{15} + 3
3
2
x
+
1
=
15
7
x
+
3
Q9
Exercise 2.1
2
y
+
5
3
=
26
3
−
y
2y + \frac{5}{3} = \frac{26}{3} - y
2
y
+
3
5
=
3
26
−
y
Q10
Exercise 2.1
3
m
=
5
m
−
8
5
3m = 5m - \frac{8}{5}
3
m
=
5
m
−
5
8
Q1
Exercise 2.2
Solve the following linear equations.
x
2
−
1
5
=
x
3
+
1
4
\frac{x}{2} - \frac{1}{5} = \frac{x}{3} + \frac{1}{4}
2
x
−
5
1
=
3
x
+
4
1
Q2
Exercise 2.2
n
2
−
3
n
4
+
5
n
6
=
21
\frac{n}{2} - \frac{3n}{4} + \frac{5n}{6} = 21
2
n
−
4
3
n
+
6
5
n
=
21
Q3
Exercise 2.2
x
+
7
−
8
x
3
=
17
6
−
5
x
2
x + 7 - \frac{8x}{3} = \frac{17}{6} - \frac{5x}{2}
x
+
7
−
3
8
x
=
6
17
−
2
5
x
Q4
Exercise 2.2
x
−
5
3
=
x
−
3
5
\frac{x-5}{3} = \frac{x-3}{5}
3
x
−
5
=
5
x
−
3
Q5
Exercise 2.2
3
t
−
2
4
−
2
t
+
3
3
=
2
3
−
t
\frac{3t-2}{4} - \frac{2t+3}{3} = \frac{2}{3} - t
4
3
t
−
2
−
3
2
t
+
3
=
3
2
−
t
Q6
Exercise 2.2
m
−
m
−
1
2
=
1
−
m
−
2
3
m - \frac{m-1}{2} = 1 - \frac{m-2}{3}
m
−
2
m
−
1
=
1
−
3
m
−
2
Q7
Exercise 2.2
Simplify and solve the following linear equations. 7.
3
(
t
−
3
)
=
5
(
2
t
+
1
)
3(t-3) = 5(2t+1)
3
(
t
−
3
)
=
5
(
2
t
+
1
)
Q8
Exercise 2.2
15
(
y
−
4
)
−
2
(
y
−
9
)
+
5
(
y
+
6
)
=
0
15(y-4) - 2(y-9) + 5(y+6) = 0
15
(
y
−
4
)
−
2
(
y
−
9
)
+
5
(
y
+
6
)
=
0
Q9
Exercise 2.2
3
(
5
z
−
7
)
−
2
(
9
z
−
11
)
=
4
(
8
z
−
13
)
−
17
3(5z-7) - 2(9z-11) = 4(8z-13) - 17
3
(
5
z
−
7
)
−
2
(
9
z
−
11
)
=
4
(
8
z
−
13
)
−
17
Q10
Exercise 2.2
0.25
(
4
f
−
3
)
=
0.05
(
10
f
−
9
)
0.25(4f-3) = 0.05(10f-9)
0.25
(
4
f
−
3
)
=
0.05
(
10
f
−
9
)
More from this chapter
Chapter overview
Important Points
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