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OpenStudy (anonymous):
3x=-18+4y 16y=58+5x use elimination
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OpenStudy (anonymous):
line up all the variables, one equation under the other. i think its easier setting it up 3x=-18+4y (A) with 5x=-58+16y (B) under it. multiply (A) by negative four and add down. So (A) looks like -12x=72-16y. add it to other equation. -7x=14 is what u get. then solve for x which equals 2. then plug into one of the equations to get y which will be 6
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