Asked by Richard
solve by elimination:
6a+2b = -48
-6a+b = 57
What is the solution set ( , )?
6a+2b = -48
-6a+b = 57
What is the solution set ( , )?
Answers
Answered by
bobpursley
add the equations.
3b=9
b=3
Now for a, by elimination
multipy the second equation by -2
12a-2b=-114
add now the first and this equation, giving
18a=-162
b=9
3b=9
b=3
Now for a, by elimination
multipy the second equation by -2
12a-2b=-114
add now the first and this equation, giving
18a=-162
b=9
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