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4x + 5y = 7 3x – 2y = –12 Multiply each equation by a number that produces opposite coefficents for x or y

4x + 5y = 7 3x – 2y = –12 Multiply each equation by a number that produces opposite coefficents for x or y
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4x + 5y = 7 3x – 2y = –12 Multiply each equation by a number that produces opposite coefficents for x or y

User Braden Steffaniak
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6 votes

Answer:

Step-by-step explanation:

DO YOU MEAN :


4x + 5y = 7\\ 3x - 2y = -12\\Multiply-equation 1 -by -the-coefficient-of-x-in-equation-2\\multiply-equation-2 -by-the-co-efficient -of x -in-equation- 1\\\\3(4x + 5y = 7)\\4( 3x - 2y = -12)\\\\12x +15y=21\\12x -8y=-48

User Rishikesh Darandale
by
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