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Frank
Mathematics
26 February, 20:16
11x - 6y = - 19
-11x + 5y = 14
+5
Answers (
1
)
Julien Friedman
26 February, 20:30
0
y=5
Step-by-step explanation:
Use the process of deletion. It means to add all the like variables. 11x + (-11x) is just 0 so it cancels out. - 6y+5y is - y. - 19+14 is - 5. This leads to - y=-5. The variable can NEVER be negative. To get rid of the negative, just divide by - 1 on both sides.
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