sanchezgirl513
09.07.2019 •
Mathematics
Gregory patrick's employer will pay $550 per year for his health insurance. what ammount will they pay per month?
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Ответ:
12 months in a year
550 / 12
= ~45.8333
Ответ:
The solution is x=3 , y=-4 or (3,-4)
Step-by-step explanation:
Given equations (1 and 2) are:
To solve a system of equation with elimination method, the co-efficients of one of the variables has to be equated and then the equations are added or subtracted to get an equation in one variable.
Multiplying equation 1 by 2:
Multiplying equation 2 by 3
Adding equation 3 and 4
Putting y = -4 in equation 1
Hence,
The solution is x=3 , y=-4 or (3,-4)