Practice Questions for Linear equations Class 8 maths Chapter 2
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a. x=-13
b. x= 19/12
c. x=4
d. x=-12
e. x=-3
f. x= 11
g. x= 48/5
h. x=-6
i. x=-25/2
Question 2 Solve each of the following equations and check your solution by substituting in the equation.
(a) $\frac {x}{2} - 10 = \frac {1}{2}$
(b) $ \frac {x}{3} - \frac {x}{2} = 6$
(c) $6x - 9 - 2(1 + x) = x - 9$
(d) $2(x +2) + 5(x + 5) = 4(x - 8) + 2(x - 2)$
(e) $\frac {3 + y}{y + 7)} = \frac {3}{5}$
(f) $ \frac {3x - 2}{2x - 3} = - \frac {1}{2}$
(g) (x - 7 )/3 = (x - 1)/5
Answer
a. x=21
b. x=-36
c. x= 2/3
d. x=-63
e. y=3
f. x= 7/8
g. x=16
Question 3
A positive number is 5 times another number. If 21 is added to both the numbers, then one of the new numbers become twice of another new numbers. Find the original numbers. Question 4
The sum of three consecutive multiples of 8 is 888. Find the multiple.
Answer
Let the three consecutive multiple of 8 be 8x ,8(x+1) , 8(x+2)
Now
$8x + 8(x+1) + 8(x+2)=888$
$8x + 8x + 8 + 8x + 16 =888$
$24x + 24 =888$
$24x = 864$
x=36
So multiples are 36,37 and 38
Summary
This Practice Questions for Linear equations Class 8 maths Chapter 2 is prepared keeping in mind the latest syllabus of CBSE . This has been designed in a way to improve the academic performance of the students. If you find mistakes , please do provide the feedback on the mail.
