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Mathematics 9 Online
OpenStudy (anonymous):

10x+36-38x-47

OpenStudy (skullpatrol):

What about it?

OpenStudy (anonymous):

i needed to know would you combine like term

OpenStudy (anonymous):

the equation is 10x+36-38x-47

OpenStudy (skullpatrol):

Do you know subtraction is adding the opposite?

OpenStudy (anonymous):

yes so would it be turned into 10x+38x-36-47

OpenStudy (anonymous):

and the answer will be 28x-11

OpenStudy (skullpatrol):

Nope

OpenStudy (skullpatrol):

$$\Huge a-b=a+(-b)$$

OpenStudy (anonymous):

ok

OpenStudy (skullpatrol):

$$\Huge 10x+36-38x-47$$ $$\Huge =10x+36+(-38x)+(-47)$$

OpenStudy (skullpatrol):

$$\Huge =10x+(-38x)+36+(-47)$$

OpenStudy (anonymous):

-28x-11

OpenStudy (skullpatrol):

yes

OpenStudy (anonymous):

thank you so much

OpenStudy (skullpatrol):

Thanks for trying to learn :-)

OpenStudy (anonymous):

Your welcome

OpenStudy (muzzack):

Final result : \[\large\color{green}{-1 • (28x + 11)}\]

OpenStudy (anonymous):

-28+11

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