Question

Evaluate 3X +4Y, when X = -2 and Y = 4

Answer 1

Ok,you just need substitute the x for the value given\

=3x+4y

=3(-2)+4(4) Multiple the values

=-6+16 Just add the values

=10 So,this is the answer

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Answer 2

10

Solution,

X=-2

y=4

Now,

3x+4y

`= 3 * ( - 2) + 4 * 4 \\ = - 6 + 16 \\ = 10`

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