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Mathematics 7 Online
OpenStudy (anonymous):

bruh i will give out medals

OpenStudy (anonymous):

What value for n makes this equation true? 7 • 19 = (7 • 10) + (7 • n)

OpenStudy (skullpatrol):

Any ideas?

OpenStudy (skullpatrol):

Recall 19 = 10 + ?

OpenStudy (anonymous):

9

OpenStudy (skullpatrol):

You got it :-)

OpenStudy (anonymous):

so whats the answer

OpenStudy (skullpatrol):

That is the answer

OpenStudy (anonymous):

oh okay

OpenStudy (anonymous):

thanks...

OpenStudy (skullpatrol):

Do you understand why?

OpenStudy (skullpatrol):

$$\Huge 7 • 19 = 7 • ( 10 + 9 ) = ( 7 • 10 ) + ( 7 • ? )$$

OpenStudy (skullpatrol):

$$\Huge a • ( b + c ) = ( a • b ) + ( a • c )$$

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