Slove the system
Of Linear Eqitions by
Elimination
3x-y=0
2x+y=-10
1 answer:
Answer:
<em>(-2, -6)</em>
Step-by-step explanation:
Given the simultaneous equation
3x-y=0 ... 1
2x+y=-10 ... 2
Add both equations to eliminate y
3x + 2x = 0 - 10
5x = -10
x = -10/5
x = -2
Substitute x = -2 into 1
3(-2)- y = 0
-6 - y = 0
-y = 0+ 6
-y = 6
y = -6
<em>Hence the coordinate (x, y) is (-2, -6)</em>
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There are 42 teachers 30 male 12 female. 30:12. male teachers to the total number of teachers 42:30. total of teachers to the female teachers 42:12
Answer:
x=10
Step-by-step explanation:
The value of x is 10
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If you are trying to factor it is 14(3a+b).
But if you are looking for the greatest common factor it is 14.
