amp1955
23.08.2019 •
Mathematics
What is the value of x in the solution to the system of linear equations? {y=3x+2 y=x-4 a –7 b –3 c 1 d 5
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Ответ:
b. -3
Step-by-step explanation:
the system is:
to find the value of x, we need to eliminate the y variable.
We can eliminate the 'y' by substracting the equations:
which is simplified to:
and clearing for x:
which is option b.
Ответ:
Step-by-step explanation: