SOLUTION: Solve the system of equations by substitution.
3x + y = 13
2x - 7y = 24
Algebra.Com
Question 420142: Solve the system of equations by substitution.
3x + y = 13
2x - 7y = 24
Answer by robertb(5830) (Show Source): You can put this solution on YOUR website!
From the top equation, y = 13 - 3x. Then
2x - 7(13 - 3x) = 24
==> 2x - 91 + 21x = 24
==> 23x = 115
==> x = 5.
==> y = 13 - 3*5 = 13 - 15 = -2.
RELATED QUESTIONS
how can I solve this solve each system of equations by substitution method
-3x+7y=14... (answered by lenny460)
solve the following system of equations by the addition method,
2x-7y=2... (answered by stanbon)
Solve the system of equations by substitution: y= xsquared+2x-2 and y=3x+4... (answered by meghanjax13)
Solve the system of equations by substitution
y = x^2 + 2x - 2 and y - 3x +... (answered by funmath)
Solve the system of equations by substitution
y = x^2 + 2x - 2
and
y = 3x + 4
(answered by ankor@dixie-net.com)
Use the Substitution method to solve the system of equations.
3x + y = 5
4x - 7y =... (answered by checkley77)
find the system of equations by substitution
x+7y=-2... (answered by algebrapro18)
the problem says solve each system of equations by substitution.
-3x+y=-4... (answered by jim_thompson5910)
solve each system of equations by using the substitution method.
{3x + 4y = 18
{ (answered by Edwin McCravy)