what is the first step to solving 2x+y=8 y=x-1
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Answer:
x=3
y=2
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Step-by-step explanation:
(SUBSTITUTION METHOD)
Substitute y=x-1 in 2x+y=8 equatiom
2x+x-1=8
3x-1=8
3x=8+1
3x=9
x=9/3
x=3
Substitute x=3 in y=x-1 equation
Therefore
y=3-1
y=2
The solution is x=3 and y=2
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