Multiple Choice

In a logistics analysis, a team uses the system of equations 3x−4y=−9{}3x - 4y = -9 and 5x+3y=14{}5x + 3y = 14 to balance shipping costs. When solving this system by elimination, the first equation is multiplied by 3 and the second equation is multiplied by 4 to eliminate the yy variable. Which of the following equations is the correct result of adding the two equations together after these multiplications?

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Updated 2026-09-18

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