Q.6 Write each of the following statements in the form of equations :
i) A number y increased by 6 is equal to 7.
ii) Twice a number b added to 5 gives 13.
iii) one fifth of a number z is 4 more than thrice the number.
iv) If 3 is subtracted from half a number ‘a’ , the result is 11.
Answer:
1. y+6=7
2. b² +5=13
3. ⅕ z +4 3z
4. 3- /a = 11