Question

The equation which cannot be solved in integers is (a) 5y – 3 = – 18 (b) 3x – 9 = 0 (c) 3z + 8 = 3 + z (d) 9y + 8 = 4y – 7

Answer 1

Answer:

1.5y-3= -18

5y = -18+3

5y = -15

y = -3

2.3x-9=0

3x = 0+9

3x =9

x=3

3.3z+8=3+z

8-3=z-3z

5= -2z

z= -2/5

4.9y+8=4y-7

9y-4y = -7+ (-8)

5y = -15

y= -3.

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The third equation cannot be solved.

Answer 2

option c is correct answer

the solution is -5/2 is the correct option please verify it