Linear equation in one variable
In the following question out of the four options only one is correct, write the correct answer
The solution of which of the following equations is neither a fraction nor an integer?
(a) 3x + 2 = 5x + 2
(b) 4x – 18 = 2
(c) 4x + 7 = x + 2
(d) 5x – 8 = x + 4
- 6x = 3 and 3x = 1.5
- 8x = 3 and 4x = 1
- 10x = 9 and 5x = 18
- 12x = 6 and 6x = 6
The general form of equation in one variable is:
None of these
ax + b = 0
ax + b = 0 where a ≠ 0 and a, b are real numbers
ax + b = 0 where, a≠0
If the point (2k – 3, k + 2) lies on the line 2x + 3y + 15 = 0, find the value of k.
Find the value of 'x' in the equation 3x+8=0.
When 14 is added to a number, we obtain 72. Which equation shows this relationship?
14 – n = 72
72n = 14
72 + n = 14
14 + n = 72
Which of the following is not a linear equation in one variable? (Consider a, b and c as constants and x as variable)
- no solution
- two solutions
- infinitely many solutions
- unique solution
x=−4 is a solution to the equation 2x+8=0
The solution of a linear equation is not affected when
The same numbers are added to both sides of the equation
We multiply or divide both the sides of the equation by the same non-zero numbers
We add a number to one side and subtract the same number from the other side of the equation
We multiply one side with a number and divide the same number from the other side of the equation
Write the following equations in word form.
a) 7x + 4=46
b) 5x+46=13 [4 MARKS]