SOLUTION: this is the substitution method. If y=x-4 and 2x-5y=2, what are x and y
Algebra.Com
Question 176202: this is the substitution method. If y=x-4 and 2x-5y=2, what are x and y
Answer by Mathtut(3670) (Show Source): You can put this solution on YOUR website!
y=x-4.....eq 1
2x-5y=2...eq 2
:
take y's value from eq 1 and plug it into eq 2
:
2x-5(x-4)=2
:
2x-5x+20=2
:
-3x=-18
:
:
now take x's found value and plug it back into either equation. I choose eq 1
:
y=6-4
:
RELATED QUESTIONS
what is the substitution method of x+y=-2 and... (answered by ptaylor)
Solve the system by substitution:
x+5y= -10
2x-y = 2
what is x and... (answered by jim_thompson5910)
i can't under stand if 3x+2y = -17
2x-5y = 14 the what is the... (answered by rfer)
Could someone tell me if I got these problems right? The first two are the Substitution... (answered by jim_thompson5910)
What is the answer to this equation using the substitution method?
y=2x^2+2... (answered by lynnlo)
what is the substitution method of y=2x-1 and... (answered by Alan3354)
How would you solve y=-2x+3 and x+y=4? Using the Substitution... (answered by TimothyLamb)
Using the method of substitution find the value of x and y.
y = x^2 - 2x -6
y = x^2 -... (answered by josgarithmetic)
Using the method of substitution find the value of x and y.
y = x^2 - 2x -6
y + x^2 - (answered by josgarithmetic)