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ketricduggerp2ciuc
22.10.2020 •
Mathematics
3x + 6y = -18
2y = 3x - 22
The solution to the system is ( ___, ___ ).
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Ответ:
(4, -5)
Step-by-step explanation:
3x + 6y = -18
2y = 3x - 22
In the second equation, move 3x to the other side:
3x + 6y = -18
-3x + 2y = -22
Since they have opposite signs, the x terms can cancel out. Add together the equations in order to cancel out x:
3x + 6y = -18
-3x + 2y = -22
8y = -40
Solve for y:
y = -5
Then, plug in -5 in as y into one of the equations, then solve for x:
3x + 6y = -18
3x + 6(-5) = -18
3x - 30 = -18
3x = 12
x = 4
So, the solution to the system is (4, -5)
Ответ:
(4, -5)
Step-by-step explanation:
the next question (on slide 2) is:
C. (the third option).
then B. (second choice).
then ( 0.5, 3)
3rd slide:
C. 6
A. add
(-2, -4)
4th slide
B C
B Exactly one
(0, -3)
Edge 2021
Ответ:
they will survive longer
Step-by-step explanation: