Question

(i) x+y+z=89

y = 3Z
x=Z-6​

Answer 1

Answer:

z = 19

Step-by-step explanation:

x = z - 6

y = 3z

z = z

Therefore x + y + z = (z - 6) + (3z) + (z) = 89

z - 6 + 3z + z = 89

5z - 6 = 89

5z = 89 + 6

5z = 95

z = 95/5 = 19

Answer 2

the ANSWER is

x+y+z=89

(z-6)+(3z)+z=89

3z+z+z-6=89

5z=89+6

5z=95

z=95/5

z=19

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