Solve for x
x=25-z-y
Solve for y
y=25-z-x
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x+y+z=\frac{100}{4}
Divide both sides by 4.
x+y+z=25
Divide 100 by 4 to get 25.
x+z=25-y
Subtract y from both sides.
x=25-y-z
Subtract z from both sides.
x+y+z=\frac{100}{4}
Divide both sides by 4.
x+y+z=25
Divide 100 by 4 to get 25.
y+z=25-x
Subtract x from both sides.
y=25-x-z
Subtract z from both sides.
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