Let m = 7.
2 answers:
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Answer:
y =
Step-by-step explanation:
Given y varies directly with x then the equation relating them is
y = kx ← k is the constant of variation
To find k use the condition y = 5 when x = 6
k = =
y = x ← equation of variation
When x = 5, then
y = × 5 =
Answer:
The values of x and y to the given equations are x=-1 and
The solution is (-1,)
Step-by-step explanation:
Given equations are
and
to solve the given equations by elimination method :
Adding the given two equations (1) and (2) we get
_______________
4x=-4
Therefore x=-1
Now substitute the value x=-1 in equation(1) we get
(-1)+3y=9
3y=9+1
Therefore the values of x and y to the given equations are x=-1 and
The solution is (-1,)