Question

Simplify the following expressions and find their values for x=2, y= -1, and z =-2 . 2(x-3) +4y +3( x-y)​

Answer 1

Answer:

the answer is 3.

Step-by-step explanation:

=2(2-3)+4×-1+3(2-(-1))

=4-6+(-4)+6+3

=4-6-4+9

= 4-6+5

=4-1

= 3

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Answer 2

2(x-3) + 4y + 3(x-y)

Now put x=2, y= -1 and z= -2

= 2(2-3) + 4(-1) + 3[2-(-1)]

= 2(-1) + 4(-1) + 3(2+1)

= 2(-1) + 4(-1) + 3(3)

= -2 + (-4) + 9

= - 6 + 9

= 3