Question

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
56.
(v) Three-fourth oft 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.​

Answer 1

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1. x+4= 9

2. ʏ-2=8

3. 10(ᴀ) =70

4.

$\frac{b}{5} = 56$

5. 3/4 × ᴛ = 15

6. 7(ᴍ+7) = 77

7. 1/4×(x-4) =4

8. 6ʏ-6=60

9. 1/3×ᴢ + 3=30

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Answer 2

(i) The sum of numbers x and 4 is 9.

Solution: x+4=9

(ii) 2 subtracted from y is 8.

Solution: y-2=8

(iii) Ten times a is 70.

Solution: 10a=70

(iv) The number b divided by 5 gives

56.

Solution: b/5=56

(v) Three-fourth of t is 15.

Solution: 3t/4=15

(vi) Seven times m plus 7 gets you 77.

Solution: 7m+7=77

(vii) One-fourth of a number x minus 4 gives 4.

Solution:

$\frac{x}{4} - 4 = 4$

(viii) If you take away 6 from 6 times y, you get 60

Solution: 6y-6=60

(ix) If you add 3 to one-third of z, you get 30.

Solution:

$\frac{z}{3} + 3 = 30$