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3 years ago

Are these expressions equivalent??if so how???

Mathematics

2 answers:

Vesna [10]3 years ago

7 0

Yes this is equivalent

Because brackets are useless in this case,,, beackets will be consider if in question uses other symbol in place of minus (-)

rjkz [21]3 years ago

3 0

No they are not because if you distribute the (invisible) -1 the equations are not equal. ;)

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2 years ago

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3 years ago

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2 years ago

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viktelen [127]

Answer:

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2 years ago

Combined, Teresa and Janey have saved $345 dollars. Teresa has saved twice as much as Janey. How much money do they each have?

Tema [17]

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Step-by-step explanation:

Set x be the money that Janey have, then Teresa have 2x.

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2 years ago