SOLUTION: Solve the system; 3x+y=15 4x+y=19
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Question 101102
:
Solve the system;
3x+y=15
4x+y=19
Answer by
checkley71(8403)
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3X+Y=15
-4X-Y=-19 THIS EQUATION IS MULTIPLIED BY -1 TO ELIMINATE THE Y TERM.
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-X=-4
X=4 ANSWER.
3*4+y=15
12+Y=15
Y=15-12
Y=3 ANSWER
-4*4+3=19
19=19