2(4x+3)=7x+5
Solve the equation above for x. Which of the following is correct?
1
2
-1
11
Correct Answer : C
we follow the order operations to solve for the unknown value of x.
2(4x+3)=7x+5
Open the bracket on the LHS by multiplying each term by 2
(2*4x)+(2*3)=7x+5
8x+6=7x+5
Subtract 6 from both sides
8x+6-6=7x+5-6
8x=7x-1
Subtract 7x on both sides
8x-7x=7x-7x-1
X=-1
Thus, the value of unknown value of x is -1.
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Correct Answer is A
Explanation
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Amount left to invest = $(60-48) = $12
Lana is left with $12, which she invests and earns a profit of 80%.
Profit earned = 80% of $12 = 80/100 * 12= $9.20
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Correct Answer is C
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Correct Answer is B
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Explanation
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Explanation
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Or
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Explanation
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Explanation
the question requires we find the cost of two syringes.
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Correct Answer is B
Explanation
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34÷96=
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From the above calculations, arranging the fraction from the largest to the smallest in order is: 3/8, 372/1000,37/100, and 17/48. Thus, the greatest value is 3/8.
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