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zvonat [6]
3 years ago
11

For the equation 2(4x+10)=8x+k what value of k will create an equation with infinitely many solutions?

Mathematics
2 answers:
Komok [63]3 years ago
3 0
20; make both equations equal so whatever you plug in for x will be the same 
2(4x+10)=8x+k
8x+20=8x+k
k=20
gregori [183]3 years ago
3 0
8x+k 20 2(4x+10)=8x+k
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Answer:

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1. Subtract 10 from both sides. Then:

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3. Add 22 to both sides. Then:

y-22< 19\\ y-22+22

4. Divide both sides by -7. Notice that the direction of the symbol of the inequality will change. Then:

-7b>-28\\\\\frac{-7b}{-7}>\frac{-28}{-7}\\\\b

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7. Subtract 13 from both sides. Then:

t+13>22\\ t+13-13>22-13\\t>9

8. Add 12 to both sides. Then:

w-12< 16\\ w-12+12

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