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Mathematics 13 Online
OpenStudy (anonymous):

solve 4x-7 =2x+11

OpenStudy (mathstudent55):

subtract 2x to the left side add 7 to the right side then divide both sides by the number multiplying x

OpenStudy (anonymous):

4x-2x=11+8 2x=19 x=19/2

OpenStudy (mathstudent55):

+7 not +8

OpenStudy (anonymous):

2x=18 x=9

OpenStudy (anonymous):

4x-2x=11+7 2x=18 x=18/2=9

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