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Mathematics 8 Online
OpenStudy (anonymous):

Express the perimeter of the triangle as a polynomial. algebra, semester 1, unit 12, MUT A. 10x – 14 B. –10x + 14 C. 10x + 14 D. 9x – 14

OpenStudy (misty1212):

HI!!

OpenStudy (misty1212):

add the sides

OpenStudy (anonymous):

-1x, -12x, 8x

OpenStudy (misty1212):

\[2x-3+x-12+7x+1\] is the first step

OpenStudy (misty1212):

combining like terms is the second step

OpenStudy (anonymous):

ok

OpenStudy (anonymous):

i'm thinking A then or B

OpenStudy (anonymous):

@misty1212

OpenStudy (anonymous):

\[2x+x+7x=?\]

OpenStudy (anonymous):

D

OpenStudy (anonymous):

?

OpenStudy (anonymous):

D is a letter you need to find \[2x+x+7x\]

OpenStudy (misty1212):

same as \[2+1+7\] only with an x after it

OpenStudy (anonymous):

i'm talking about the answer D 9*-14

OpenStudy (anonymous):

oo ok

OpenStudy (misty1212):

no it cannot be that because \(2+1+7\neq 9\)

OpenStudy (anonymous):

well i was thinking A

OpenStudy (anonymous):

stop with the letters lets just find the answer, then we can figure out which one it is

OpenStudy (anonymous):

did you find \[2x+x+7x\]?

OpenStudy (anonymous):

10x+14

OpenStudy (misty1212):

ok \[2x+x+70=10x\] is correct

OpenStudy (misty1212):

what about \[-3-12+1\]?

OpenStudy (anonymous):

-10x+14

OpenStudy (anonymous):

oh no what is \[-3-12+1\]?

OpenStudy (anonymous):

10x+14

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