Asked by jade
Solve the system by elimination. State whether the system has one solution, infinite solutions, or no solution.
x + 3y = –5
4x – y = 6
please help thanks
x + 3y = –5
4x – y = 6
please help thanks
Answers
Answered by
Scott
eliminate one of the variables by adjusting coefficients so you can cancel (eliminate)
multiplying the 2nd equation by 3, gives the y-term a -3 coefficient
... 12x - 3y = 18
adding the 1st equation eliminates the y-terms
find x , then substitute back to find y
multiplying the 2nd equation by 3, gives the y-term a -3 coefficient
... 12x - 3y = 18
adding the 1st equation eliminates the y-terms
find x , then substitute back to find y
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