Step-by-step explanation:
x+3y=24
3y/3=24/3
x+y=8
divide x to both side not to y
y=-x +8
What? Is this even a real question you need help with ?
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Answer: -15/8
Step-by-step explanation:
Using PEMDAS:
[18-(-8)^2] + 16 / 2^4
(18-64)+16 / 16
-46+16 / 16
-30/16
(Simplified) -15/8