SOLUTION: I suck at math... How do I used the elimination method to solve the system of equations. a+7b=16 a+3b=4

Question 669637: I suck at math... How do I used the elimination method to solve the system of equations.

a+7b=16
a+3b=4
Found 2 solutions by Alan3354, ewatrrr:
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
a+7b=16
a+3b=4
----------- Subtract

Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!

Hi,
a+7b=16
a+3b=4 ||First subtract 2nd EQ from te 1st EQ to eliminate a
4b = 12
b = 3
The solve for a using one of the EQ above
, a = -5
Ordered pair(-5,3) is the solution for this system of equations
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