SOLUTION: a + b = 10
3a + 2b = 40
To solve the above system of equations using the substitution method you could substitute which of the following into the second equation?
b=10
Algebra.Com
Question 258842: a + b = 10
3a + 2b = 40
To solve the above system of equations using the substitution method you could substitute which of the following into the second equation?
b=10+a
a = 10 + b
a = 10 - b
2b = 10 - a
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Use eq. 1,
Substitute that into the second eq. for a and solve for b.
RELATED QUESTIONS
Solve the folloing systems of equations using the substitution method and check
3a+b=4
(answered by stanbon)
Use the method of substitution to solve the system of linear equations.
3a=4-b... (answered by MathLover1)
solve system of equations using the addition method
3a+2b=7
5a-3b=-1... (answered by drj)
use the method of substitution to solve of linear equations 3a=5-b, 3a=... (answered by tommyt3rd)
Please help me solve the system of equation by the substitution method: {{{3a-b=7 and... (answered by josgarithmetic,MathTherapy)
Use substitution to solve each system of equations.
a+b+c=6
3a-b+c=8... (answered by checkley71)
could someone please help?
I need to solve each system of equations using guassian... (answered by solver91311)
Use the method of substitution to solve the system of linear equations. 3a=7-b and 3a=... (answered by stanbon)
solve each system using the substitution method. y-2x=-6,2y-x=5
next problem.... (answered by sdmmadam@yahoo.com)