4. Write equations for the following statements:
(i) The sum of numbers x and 4 is 9.

(ii) 2 subtracted from y is 8.
(iii) Ten times a is 70.

(iv) The number b divided by 5 gives 6.
(v) Three-fourth of t is 15.

(vi) Seven times m plus 7 gets you 77.
(vii) One-fourth of a number x minus 4 gives 4.
(viii) If you take away 6 from 6 times y, you get 60.
(ix) If you add 3 to one-third of z, you get 30.

Answers (1)

The equations are given below :

(i)  x\ +\ 4\ =\ 9

(ii)  y\ -\ 2\ =\ 8

(iii)  10a\ =\ 70

(iv)       \frac{b}{5}\ =\ 6

(v)         \frac{3}{4}t\ =\ 15 

(vi)   7m\ +\ 7\ =\ 77

(vii)     \frac{x}{4}\ -\ 4\ =\ 4

(viii)  6y\ -\ 6\ =\ 60

(ix)     \frac{z}{3}\ +\ 3\ =\ 30

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