SOLUTION: if x=5y-1 and 2x+5y=-32 what is the value for y a.-2 b.2 c.1 d.-1

SOLUTION: if x=5y-1 and 2x+5y=-32 what is the value for y a.-2 b.2 c.1 d.-1

Algebra.Com

Question 64664: if x=5y-1 and 2x+5y=-32 what is the value for y
a.-2
b.2
c.1
d.-1
Answer by tutorcecilia(2152) (Show Source): You can put this solution on YOUR website!
x=5y-1 [substitute "5y-1" for x in the second equation]
2(5y-1)+5y=-32 [simplify]
10y-2+5y=-32
15y-2=-32 [solve for y]
15y=-32+2
15y=-30
y=-2
.
check by plugging y into either equation and solve for x
x=5y-1
x=5(-2)-1
x=-10-1
x=-11
.
-11=5(-2)-1
-11=-10-1
-11=-11 [checks out]
RELATED QUESTIONS
Solve. If the system's equations are dependent or it there is no solution, state this. (answered by Alan3354)

Solve. If the system's equations are dependent or it there is no solution, state this. (answered by solver91311)

if the graphs of the equations x+y=0 and 5y+7x=24 intersects at(m,n), then the value of... (answered by TimothyLamb)

Which of the following equations describe the same line as the equation 1/2x-5y=1? (a)... (answered by scott8148)

If (1,y) is a solution to y+x>=5y+5, what is the value of y? Answer Choices: A)... (answered by Nate)

what is the solution to the system shown below? 2x+y=-3 x-5y=4 A. (0,-3) B.... (answered by Boreal)

If k(2x + 3)(x � 1) = 0 and x > 1, what is the value of k? A -3/2 b 0 c 2/3 (answered by dabanfield,palanisamy)

what is the solution to the system shown below? 2x+y=-3 x-5y=4 A. (0,-3) B.... (answered by Alan3354,rothauserc)

Is it possible to get infinitely many solutions and an x, y, and z value for the... (answered by Alan3354,MathTherapy)