AkhillesU69881 AkhillesU69881

27-10-2022
Mathematics

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What could you multiply the first equation by to help you form a zero pair and eliminate the x variable?A. 3B. -3C. 4D. -4

What could you multiply the first equation by to help you form a zero pair and eliminate the x variableA 3B 3C 4D 4 class=

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SirronI282257 SirronI282257

27-10-2022

Given equation

x+y=-2

3x+4y=-11

Multiplying the first equation by -3 we have,

-3x-3y=6

Thus adding it with the second equation

y=5

Thus x is eliminated.

The answer is B.-3

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