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Crowbent · Answer 1 · 2018-12-09T07:51:53+0000

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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