CBSE Class 8 Maths Linear Equations in One Variable Worksheet

Question. Find the value of x if x/5 + x/3 + 7 = x
Answer : 15

Question. If x = 2p – 1 and y = p + 7 and x + y = 6 then find p.
Answer : p = 0

Question. Solve for x : 9x + 36 = 4x + 91
Answer : 11

Question. Find x if 3/x + 6 = 1
Answer : x = - (3/4)

Question. Simplify : (x + 7)² – (x – 7)²
Answer : 28x

Question. Find k if 13/39 = k / k + 4
Answer : k = 2

Question. Sides of a rectangle are in the ratio 14:3. If the perimeter of the rectangle is 170 cms, find the length and breadth.
Answer : 70 cm, 15 cm

Question. The perimeter of the square is 44 cm. Find its side.
Answer : 11 cm

Question. Find three consecutive odd numbers whose sum is 147.
Answer : 47, 49, 51.

Question. If one is subtracted from the number if becomes 4/5 Find the initial number
Answer : 9/5

Question. If m = x – 2 then find x in the equation 3x + 2m = 6.
Answer : x = 2

Question. Solve for x, -2 + x / 3 + x = 6
Answer : –4

Question. If x = k then find the value of k if (x + 1) + k – 2 = 0.
Answer : k = 1/2

Question. Two numbers are in the ratio 4:7. If the sum of numbers is 143, find the numbers.
Answer : 70 cm, 15 cm

Question. A mother is four times as old as her daughter. If the difference of their ages is 36 years. Find the age of daughter.
Answer : 12 years

Question. If father is twice as old as his son and also 29 years older than his son. What is the age of father?
Answer : 58 years.

Question. A person starts his job with a monthly salary of Rs. 5000 and earn a fixed increment after every year. If he gets Rs. 6000 after 5 years. Find his annual increment,
Answer :   Rs. 250

Please click on below link to download CBSE Class 8 Maths Linear Equations in One Variable Worksheet