jacorey77
17.05.2021 •
Mathematics
A
x + y = 8
x - 2y = 4
If you want to solve the system of equations by addition, which of the following could you do?
Multiply the first equation by -2 and add.
Multiply the first equation by 2 and add.
Multiply the second equation by -2 and add.
Multiply the second equation by 2 and add.
Solved
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Ответ:
Step-by-step explanation:
Multiply the first equation by 2 and add.
Ответ:
added 1k
or 5000% + 1000% = 6000%
(sorry if this doesint help idk percent change mean)
Step-by-step explanation: