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Mathematics 15 Online
OpenStudy (anonymous):

simplify 10x - (3x - (7x + 2))

OpenStudy (anonymous):

Start inside the parenthesis: 10x - (3x - 7x - 2)

OpenStudy (anonymous):

then distribute again and get: 10x - 3x + 7x + 2

OpenStudy (anonymous):

Combine like terms: 14x + 2

OpenStudy (anonymous):

could you help me with a second one like that

OpenStudy (anonymous):

sure

OpenStudy (anonymous):

(4/5x)/(-2/15x)

OpenStudy (anonymous):

to divide fractions, you have to multiply by the reciprocal of the second fraction:

OpenStudy (anonymous):

is the answer -6x

OpenStudy (anonymous):

\[\frac{4}{5x} * \frac{15x}{-2}\]

OpenStudy (anonymous):

the x's would cancel, so the answer is just -6

OpenStudy (anonymous):

makes sense

OpenStudy (anonymous):

:)

OpenStudy (anonymous):

little rusty...appreciate your help. Thanks :)

OpenStudy (anonymous):

No problem. You're welcome

OpenStudy (anonymous):

a few others if youre up to it

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