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UNO [17]
3 years ago
11

Evaluate the expression below for x= 5.3x+ 2 · |x-81 - 12​

Mathematics
1 answer:
Natasha2012 [34]3 years ago
4 0
Hopefully that’s a one

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Viktor [21]

Answer:

(3,-4) or x=3 and y= -4

Step-by-step explanation:

I'm going to solve this by substitution

We first need to get a variable by itself in one of the two equations (it doesn't matter which variable and the equation you do the work on doesn't matter either)

I'm going to solve for y in the second equation

-4x-4y=4

add 4y and subtract 4 from both sides to get

-4x-4=4y

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Therefore the solution is (3,-4) or x=3 and y= -4

8 0
2 years ago
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