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stellarik [79]
3 years ago
15

HEY GUYS COULD YOU HELP ME WITH THESE TWO QUESTIONS!!! DON'T WORRY YOU'LL GET YOUR POINTS!!

Mathematics
2 answers:
azamat3 years ago
8 0
X+y=94 -> y=94-x
x-y=12
Substitute: x-(94-x)=12
Distribute: x-94+x=12
Simplify: 2x=106
Solve: x=53

Plug x back into equation
x-y=12
53-y=12
y=41

x= 53, y=41

Second Question:
8+x=y
x+y = 66
Substitute: x+8+x =66
Simplify: 2x+8 =66
Solve : x=29

Plug x back into equation
x+y=66
29+y=66
y = 37

x=29, y=37
LenaWriter [7]3 years ago
6 0

Answer:

i am unsure

Step-by-step explanation:

I HEART POINTS

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LenaWriter [7]

An experimental study involves the researcher seeking to affect the results on purpose. The given situation is an observational study.

<h3>What are surveys, experiments, and observational studies?</h3>
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