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9966 [12]
3 years ago
14

Translate the sentence into an algebraic equation. Use x for the variable.

Mathematics
1 answer:
DENIUS [597]3 years ago
8 0
7•x=x-15
I think this would work, if I understood what you were saying correctly.
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Solve for k 5/8(3k+1)-1/4(7k+2)=1
lesya [120]

Answer:

<h2>k = 7</h2>

Step-by-step explanation:

\dfrac{5}{8}(3k+1)-\dfrac{1}{4}(7k+2)=1\qquad\text{multiply both sides by 8}\\\\8\!\!\!\!\diagup^1\cdot\dfrac{5}{8\!\!\!\!\diagup_1}(3k+1)-8\!\!\!\!\diagup^2\cdot\dfrac{1}{4\!\!\!\!\diagup_1}(7k+2)=8\cdot1\\\\5(3k+1)-2(7k+2)=8\qquad\text{use the distributive property}\ a(b+c)=ab+ac\\\\(5)(3k)+(5)(1)+(-2)(7k)+(-2)(2)=8\\\\15k+5-14k-4=8\qquad\text{combine like terms}\\\\(15k-14k)+(5-4)=8\\\\k+1=8\qquad\text{subtract 1 from both sides}\\\\k=7

3 0
3 years ago
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PtichkaEL [24]

Step-by-step explanation:

5.4×-0.9=n

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8 0
3 years ago
Type the correct answer in each box. Use numerals instead of words. If necessary, use / for the fraction bar(s).
kati45 [8]

Answer:

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Step-by-step explanation:

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a_sh-v [17]
I think the answer to (Y) may be 40 cubic units
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Determine the coordinates of the intersection of the diagonals of parallelogram ABCD with vertices A(-4,6), B(5,6), C(4,-2), and
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This is the answer (0,2)
8 0
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