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OpenStudy (anonymous):
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OpenStudy (anonymous):
Four expressions are shown below: 4(8x + 2) 4(7x + 3) 32x + 8 28x + 12 Which two expressions are equivalent to 4(7x + 2 + x)? A and B B and C A and D A and C
OpenStudy (tacotime):
7x + x = 8x
OpenStudy (anonymous):
@tacotime um....
OpenStudy (tacotime):
Thats just basic algebra. Like if you plugged in 10 for x: 7*10 + 10 = 8 * 10
OpenStudy (tacotime):
Both sides equal 80 so use this rule to fine equivalent equations
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OpenStudy (anonymous):
so A and B right ?
OpenStudy (tacotime):
Well A is correct but B randomly adds 1 to 2 so that's not equivalent.
OpenStudy (anonymous):
so it ether A and c or A and D
OpenStudy (tacotime):
The second answer is obtained by distributing the 4 in part a
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