PLZZZZ HELP
What is the value of the expression when a = 3 and b = 5?
https://static.k12.com/bank_packages/files/media/mathml_8f15cfdb7a077c055c87d08becd2b06acc42789e_1.gif
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OpenStudy (anonymous):
@Megan30400
OpenStudy (anonymous):
@me10000
OpenStudy (misty1212):
HI!!
OpenStudy (misty1212):
is it
\[\huge 8a+6(2b-7)\]
OpenStudy (anonymous):
I think it's 54 frfr.....
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OpenStudy (misty1212):
\[8\times 5+6(2\times 3-7)\] is what you need to compute
OpenStudy (anonymous):
i thoght it was 33 or 90
OpenStudy (misty1212):
it is not 54 through
OpenStudy (misty1212):
lets take it step by step
first we multiply inside the parentheses
what is \(2\times 3\)?
OpenStudy (anonymous):
6
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OpenStudy (misty1212):
ok so now we have \[8\times 5+6(6-7)\]
what is \(6-7\)?
OpenStudy (anonymous):
1
OpenStudy (misty1212):
hmmm er no
OpenStudy (misty1212):
\[7-6=1\] but \[6-7\neq 1\]
OpenStudy (anonymous):
oops i ment to put this -1
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OpenStudy (misty1212):
ok so now we are at
\[8\times 5+6\times (-1)\]
OpenStudy (misty1212):
multiply next
OpenStudy (anonymous):
8 X 5 = 24
OpenStudy (misty1212):
???
OpenStudy (anonymous):
opps that is wrong
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OpenStudy (misty1212):
yeah i think so too
OpenStudy (anonymous):
i ment 40
OpenStudy (anonymous):
sorry my keys have been acting up lately
OpenStudy (misty1212):
k we we are at \[40+6\times(-1)\]
OpenStudy (anonymous):
6 X (-1) = -6
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OpenStudy (misty1212):
ok good, and \[40-6=?\]
OpenStudy (anonymous):
34
OpenStudy (misty1212):
bingo \[\color\magenta\heartsuit\]
OpenStudy (anonymous):
but what happened to -6
OpenStudy (anonymous):
????????
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