75-х=75 ,89-у=0.4 +х=64

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вопрос

To solve this system of equations, we need to find the values of x and y that satisfy all three equations.

1) 75 - x = 75
This equation simplifies to -x = 0, meaning x = 0.

2) 89 - y = 0.4
This equation simplifies to y = 89 - 0.4 = 88.6.

3) x + 64 = 64
Since we found x to be 0 from the first equation, this equation holds true: 0 + 64 = 64.

Therefore, the solution to the system of equations is x = 0 and y = 88.6.