julianna37 julianna37

22-03-2019
Mathematics

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This is the answer key, not my work. For question 7, how do you get the -3 and 2 to multiply the equations by

This is the answer key not my work For question 7 how do you get the 3 and 2 to multiply the equations by class=

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Kamikazeminem Kamikazeminem

22-03-2019

The -3 and 2 are just the numbers you multiply by to get the variable 's' have opposite values in the 2 equations so that when you add the 2 equations, they would cancel out

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