SOLUTION: Solve the system of equations by using substitution:
{ y=4-x }
{4x+3y=10}
Algebra.Com
Question 329268: Solve the system of equations by using substitution:
{ y=4-x }
{4x+3y=10}
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
You have 
set equal to something, so just replace in the second equation with that something:
\ =\ 10)
Now just solve for 
John
My calculator said it, I believe it, that settles it
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