Mathematics, 30.06.2020 02:01, lusa0720

3. To combine the equations and solve for one of the variables, you need to eliminate the other variable. How can you change one equation so that one variable is eliminated when the two equations are added? Explain and write the new equation. (12x + 6y = 120 and 4x + y = 30)

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3. To combine the equations and solve for one of the variables, you need to eliminate the other vari...