Math, asked by srashida406, 2 months ago

1. If x=3z +4: y = x - 4 and 2-1.5find the value of 2x + 3y - 22.
(1) 33.5 (2) 27.5 (3) 6.5 (4) 7.5​

Answers

Answered by simransangutra
0

Answer:

Since z = 1.5, we have

x = 3z +4 = (3 x 1.5) + 4 = 4.5 + 4 = 8.5 =

and then

y = x - 4 = 8.5 - 4 = 4.5.

Putting these values into the required expression, we get

2x + 3y - 2z

= (2)(8.5) + (3)(4.5) - (2)(1.5) =

= 17 + 13.5 - 3

27.5 =

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