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Mathematics 21 Online
OpenStudy (anonymous):

Write an expression for the perimeter of a rectangle with the length of 5x-8and the width of 3x

OpenStudy (anonymous):

??? again! \[2l + 2w \] \[2(5x-6) + 2(3x)\] \[10x -12 + 6x\] \[16x - 12\] Thats the expression. i did the same thing that i did before but left out the "P" variable because you said it was an expression, not an equation. hope it helped!

hero (hero):

2(5x-8) + 2(3x) 10x - 16 + 6x 16x - 16 16(x-1)

OpenStudy (anonymous):

look at hero's, I did it wrong.

OpenStudy (anonymous):

is the other one wrong?

OpenStudy (anonymous):

so there both wrong?

hero (hero):

Mine is correct

OpenStudy (anonymous):

oh ok :)

OpenStudy (anonymous):

would you know how to do this? 4z-15=4z+11 solve

hero (hero):

Something weird happened. I think this site has an issue with double-posts. I posted in another section and the responses showed up here.

hero (hero):

4z-15=4z+11 No solution

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