kibyrd14
01.03.2021 •
Mathematics
2x - y = 10
x - y = 6
Solved
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Ответ:
x = 4
y = -2
Step-by-step explanation:
Rearrange the equations so that they are in terms of x.
y = 2x - 10
y = x - 6
⇒ y = y
Hence:
2x - 10 = x - 6
Rearrange
2x - x = -6 + 10
Simplify
x = 4 (substitute this value into any equation)
y = 4 - 6
y = -2
Ответ:
12
Step-by-step explanation: