Question 187938
i want to solve this simultaneous equation
It's a system of equations, 2 of them.  You can't have one simultaneous anything.
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5x-5y=5 --> x-y = 1 --> 3x-3y=3
4x-3y=25
3x-3y=3  
--------   Subtract
1x = 22
x = 22
y = 21