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MadisonUpky
MadisonUpky MadisonUpky
  • 17-02-2017
  • Mathematics
Answered

4a + 6b=10

2a - 4b = 12

What is 12a

Verified Answer :

altavistard
altavistard altavistard
  • 17-02-2017

If you want to find the value of a, or of 12a, you'll need to eliminate the variable b.  Try this:  Multiply the first equation by 4 and the second by 6.  You'll get 24b-24b=0.  Solve for a.  Then mult. a by 12, to obtain 12a and its numeric value.

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