Step-by-step explanation:
y=2x+9
y=6−x
(y-2x=9)(-1)
y+x=6
-y+2x=-9
y+x=6
3x=-3
x=-3/3=-1
sub x=-1 in eq 1
y-2(-1)=9
y+2=9
y=9-2=5
so (-1;5) is the only solution for this system
(hope it's correct)
Answer:
addition add 3 to both sides to isolate the variable term
Answer:
x = -7/2........y = -11/2
Step-by-step explanation:
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Forgive me if wrong
Answer:
Step-by-step explanation:
In this question, you would solve the for f(x) by plugging in the given value to x.
Solve:
Distribute the exponent to the numerator and denominator.
Simplify.
Use the rule for the numerator:
Your final answer would be