Question

3. Form an equation for each of the following statements.
(a) 13 times a number plus 6
(B) 5 more than a number is 20
(c) Half of a number minus 10
(d) 18 subtracted from twice a number is 45.
(e) 10 less than triple a number is 23.
4. Solve the following equations.
(a) 3(x + 6) = 4(2x - 8) (b) 3+
5. Determine by substitution.
(a) 4 is the root of 2x - 3 = 6 (6) -3 is the root of 5(x + 8) = 25
6. Solve the following equations.
(a) 9(x - 14) = 27
(b) 15(x - 9) -2(x - 12) + 5(x + 6)
7. If the difference of 4 times the number and 3 is the same as the difference of 2 times the
then find the number.
8. A rectangular field is to be fenced. The length of the field is 16 m more than the width 1
is required, find the dimension of the field.
9. When 6 is added to a number, the result is two times the number increased by one, rue
10. Subhash is three years older than his brother Suresh. Six years ago, Subhash's age was la
of Suresh Find their nresent ages​

Answer 1

Answer:

a.let number be x so 13 x + 6

b.x + 5 = 20

c.x/2-10

d. 2x - 18 = 45

e. 3x -10 =23

4.3x+18 = 8x-32

18 + 32 = 8x-3x

50 = 5x

50÷5 = x

10 = x