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Mathematics 7 Online

OpenStudy (anonymous):

HELP: if 9 is added to twice a number and this sum is multiplied by 4, the result is the same as if the number is multiplied by 4 and 8 is added to the product. What is the number?

13 years ago

OpenStudy (anonymous):

Ans. -7

13 years ago

OpenStudy (anonymous):

\[(9+2x)4=4x+8 \]

13 years ago

OpenStudy (nurali):

(9+2x)*4 = 4x + 8 solving for x 8x + 36 = 4x + 8 4x = -32 x = -8

13 years ago

OpenStudy (anonymous):

"x" is the number

13 years ago

OpenStudy (anonymous):

Thanks

13 years ago

OpenStudy (anonymous):

My pleasure :)

13 years ago

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