I really need some help. I'll mark best answer! Solve the linear system of equations using the linear combination method. {8a-4b=20 5a-8b=62 a=? b=?
QUESTION POSTED AT 16/04/2020 - 06:54 PM
Answered by admin AT 16/04/2020 - 06:54 PM
Multiply top equation by -2, then add equations so b drops out....solve for a...plug in a to get b
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