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Solve by substitution
Y=x-3 and x +y=5
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Hello,
you are lucky.
They just made part of work for you by expressing y explicitly via x in the first equation.
So, simply substitute this expression y = x-3 into the second equation. You will get a single equation for x
x + (x-3) = 5, or
2x - 3 = 5.
Hope you can easily complete this assignment.
