Answer:
-2.25
Step-by-step explanation:
9(1-x) = 27Y
9-9x =27y
-9x -27y = -9 multiply all terms by -1
9x +27y =9 equation (1)
x-y= -11/2 equation (2)
by solving 2 equations
x= -3.875
y= 1.625
∴ x+ y = 1.625 +(-3.875) = -2.25
I believe that x=4 would be the answer
The answer is 45
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Well u need to give me the equation and the substitutions for the variables then I can solve it
Answer:
198.4
Step-by-step explanation:
multiply the mass value by 16
