Y-x =17
y = -x + 17
substitute this into the second equation
y = 4x + 2
-x + 17 = 4x + 2
0= 5x -15
15/5 = 5x/5
3 = x
The square root of 72 is rational because the answer can be a real number.
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Step-by-step explanation:
-x, -(x+1)
-x-(x+1)=10506
x^2+x-10506=0
You need 16 tablespoons for 1 cup and 8 tablespoons for a half cup. Therefore you need to have 24 tablespoons of butter to make cake.