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Equation P: a + b = 6

Equation Q: 4a + 2b = 19

Which of the following steps can be used to eliminate the a term?

−1(4a + 2b = 19)
−4(4a + 2b = 19)
−4(a + b = 6)
4(a + b = 6)

User Jkamdjou
by
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1 Answer

12 votes

Answer:

-4(a + b = 6)

Explanation:

When you multiply equation P by -4, you obtain -4a - 4b = -24. You can then add this equation to equation Q to eliminate the a term.

User DM Graves
by
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