mm3591
  • mm3591
Combine 12x+6y+120 and 4x+y=30 to eliminate one of the variables and then solve for the other
Algebra
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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mm3591
  • mm3591
16x+7y=150
mm3591
  • mm3591
how?
anonymous
  • anonymous
Hint: Multiply both sides of 4x+y=30 by -3 and then add the equations together.

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anonymous
  • anonymous
12x+6y=120 -12x-3y=-90
anonymous
  • anonymous
Looks like a typo error. 12x+6y+120 should be 12x+6y=120

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