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23.02.2021 •
Mathematics
Solve by Elimination:
x - 2y = 4
X - 1y = 2
its urgent
Solved
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Ответ:
x = 0 and y = -2
Step-by-step explanation:
x - 2y = 4 and X - 1y = 2
you mentioned elemination aka substraction
so you when substract x - x = 0 -2y -( -y) = -y and 4 -2 = 2
so - y = 2
or y = 2
now substitute the numbers
x + 4 = 4
x = 0
and try it with one of the equation or sometimes trying on both of them can be very helpful
Ответ:
56
Step-by-step explanation:
2x4x7