3 years ago

WILL GIVE BRAINLIEST AND THANKS. find the value of x

Mathematics

1 answer:

san4es73 [151]3 years ago

5 0

Answer:

180 - 36? I dont exactly remember how to do this

Step-by-step explanation:

Sorry if its not right

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Step-by-step explanation:

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1 year ago

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VMariaS [17]

Answer:

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Step-by-step explanation:

We use casework on when $3x-9=12$ and when $3x-9=-12$ .

For the first case, $3x-9=12$ , we add 9 to both sides to get

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For the second case, $3x-9=-12$ , we add 9 to both sides to get

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For the second case, we have $|3(-1)-9|=|-3-9|=|-12|=12$ , which also satisfies the equation.

This gives us two solutions to the equation; $x=7$ and $x=-1$ .

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2 years ago

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