3 years ago

I need help please!!!??

Mathematics

2 answers:

kicyunya [14]3 years ago

5 0

Answer:

The answer is -1.

Step-by-step explanation:

lidiya [134]3 years ago

3 0

Answer:

-1

Step-by-step explanation:

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System of Equations y=-x-1 y+x=3 Solve?

ozzi

Solve by substitution

$\sf{y=-x-1}$
$\sf{y+x=3}$

Just plug in y=-x-1 into y+x=3

So we get:

$\sf{(-x-1)+x=3}$

Simplify that:

$\sf{-1=3}$

And since that is not true, that means this system of equations has no solutions!

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Jim and Em baked 33 macaroons.

bearhunter [10]

Answer: 19 macaroons

Step-by-step explanation:

Let's create an equation to represent this situation. Let x represent the number of macaroons that Em made.

33=x+x+5

33=2x+5

33-5=2x+5-5

28=2x

28/2=2x/2

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This means that Em made 14 macaroons.

14+5=19

Therefore, Jim baked 19 macaroons.

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