Hello from MrBillDoesMath!
Answer:
x = (1/2) (z + y)
Discussion:
Solve 2x-y =z for x.
2x -y = z =>
2x -y + y = z + y => ( add "y" to both sides)
2x = z + y
x = (1/2) (z + y) ( divide both sides by 2)
Regards,
MrB
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