solve for X and Y 3 X + Y is equal to 12, 3 X + 415 Y equal to 18
Answers
Answered by
0
.......your answer....
Attachments:
Answered by
0
3x+y=12......eq1
3x+415y=18........eq2
eq1-eq2
3x+y-3x-415y=12-18
-414y=-6
414y=6
y=414/6
y=69
from eq1
3x+y=12
3x+69=12
3x=12-69=-57
x=-57/3=-19
hope you understand
3x+415y=18........eq2
eq1-eq2
3x+y-3x-415y=12-18
-414y=-6
414y=6
y=414/6
y=69
from eq1
3x+y=12
3x+69=12
3x=12-69=-57
x=-57/3=-19
hope you understand
Similar questions