5x + 2y = 8
x + y = 4
If you want to solve the system of equations by addition, which of the following could you do?
a. Multiply the second equation by 2 and add.
b. Multiply the second equation by -2 and add.
c. Multiply the second equation by 5 and add.
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Answer:
option a
Step-by-step explanation:
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