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Mathematics 9 Online
OpenStudy (anonymous):

What is the solution to the equation? 7(5 + 9) = 7 • x + 7 • 9 A. x = 1 B. x = 5 C. x = 7 D. x = 9

OpenStudy (anonymous):

Add 5 + 9 to get.... what?

OpenStudy (anonymous):

14

OpenStudy (anonymous):

Multiply that by 7

OpenStudy (anonymous):

7 times 14

OpenStudy (anonymous):

98

OpenStudy (anonymous):

yes thats it

OpenStudy (anonymous):

K12, please don't join in on a question if someone else has started answering, also, please do not give answers. Thanks!

OpenStudy (anonymous):

98=7x+63

OpenStudy (anonymous):

subtract 63 on both sides

OpenStudy (anonymous):

Okay, so we have 98 = 7 * 9 * 7 + x. Multiply 7*9*7

OpenStudy (anonymous):

7x=35

OpenStudy (anonymous):

@fatman96

OpenStudy (anonymous):

441

OpenStudy (anonymous):

x=5

OpenStudy (anonymous):

Yup! So now we have 98 = 441 = x. SUBTRACT 441 by 98 98 -441 ------ ??????

OpenStudy (anonymous):

oaky that makes since now tahnks

OpenStudy (anonymous):

Okay! :)

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