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Mathematics 15 Online
OpenStudy (anonymous):

4(1-3x)+7x=9

OpenStudy (anonymous):

i need step by step help

OpenStudy (bahrom7893):

Multiply 1-3x by 4 first: 4 - 4 * 3x + 7x = 9

OpenStudy (bahrom7893):

4 - 12x + 7x = 9

OpenStudy (bahrom7893):

Move 4 to the right: -12x + 7x = 9 - 4

OpenStudy (bahrom7893):

Multiply everything by -1: 12x - 7x = 4 - 9

OpenStudy (bahrom7893):

5x = -5 x = -1

OpenStudy (anonymous):

oh my goodness thank you

OpenStudy (anonymous):

i dont understand the first step...how do u get the 4-4*3x

OpenStudy (bahrom7893):

multiply 4 into parenthesis

OpenStudy (anonymous):

ok thanks

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