PLEASE HELP(plssss easy math pls)

Mathematics

2 answers:

Westkost [7]3 years ago

7 0

3x-12+57=90
3x+45 =90
-45 -45
3x= 45
x=15

<MNQ= 33 because 90-57=33

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Hope this helped!:))

Natalka [10]3 years ago

3 0

Answer:

3x-12+57=90

3x+45 =90

-45 -45

3x= 45

x=15

X equals to 15

<MNQ= 33 because 90-57=33

Step-by-step explanation:

I hope I can help you :)

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