mathiscool7
14.04.2021 •
Mathematics
Elimination
3x +2y=9
3x ty=0
1
Solved
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Ответ:
Step-by-step explanation:
Given
Required
Solve by elimination
To do this, we subtract both equations (to eliminate x)
-
--------------------
Substitute
in 
Solve for 3x
Solve for x
Ответ:
0.6
39mph
step-by-step explanation: