bugbug89
22.06.2019 •
Mathematics
Use the elimination method to solve the system of equations. 6x+4y=32 -6x+4y=8
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Ответ:
(2,5)
Step-by-step explanation:
6x+4y=32
-6x+4y=8
We will add the two equations together to eliminate x
6x+4y=32
-6x+4y=8
8y = 40
Divide each side by 8
8y/8 = 40/8
y = 5
Multiply the first equation by -1
-6x-4y = -32
-6x+4y=8
-12x = -24
Divide by -12
-12x/-12 = -24/-12
x = 2
Ответ:
Step-by-step explanation: