Question of college algebra - Printable Version +- Online Degrees and CLEP and DSST Exam Prep Discussion (https://www.degreeforum.net/mybb) +-- Forum: Miscellaneous (https://www.degreeforum.net/mybb/Forum-Miscellaneous) +--- Forum: Off Topic (https://www.degreeforum.net/mybb/Forum-Off-Topic) +---- Forum: What does this Flashcard mean or Do this math problem for me (https://www.degreeforum.net/mybb/Forum-What-does-this-Flashcard-mean-or-Do-this-math-problem-for-me) +---- Thread: Question of college algebra (/Thread-Question-of-college-algebra)

Question of college algebra - inertia2018 - 04-30-2019 Can someone explain how the values of x and y are 30 and -9? This question is from instantcert, college algebra test. Solve for x and y: Solve for x and y: Correct answer: 30, -9. I had the answer as 6, -3. RE: Question of college algebra - ROYISAGIRL - 04-30-2019 -2(30) - 4(-9)=-24 -60--36=-24 -60+36=-24 2(30) + 8(-9)=-12 60 + -72=-12 RE: Question of college algebra - bluebooger - 04-30-2019 I think you forgot about your signs the positive 2x and negative 2x add to zero negative 4y adds to positive 8y giving you positive 4y negative 24 and negative 12 give you negative 36 negative 36 divided by positive 4y gives you negative 9 RE: Question of college algebra - dfrecore - 05-02-2019 If you divide everything in the 1st set by -2, and then you divide everything in the 2nd set by 2, you can then set up both sets as x=... Then, just solve for y.