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knownperson233
15.12.2021 •
Mathematics
Solve the systems of equations using elimination.
Check your solution by solution it back into the system.
1. 2x - 3y = -4
4x + 3y = 10
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Ответ:
(1, 2 )
Step-by-step explanation:
2x - 3y = - 4 → (1)
4x + 3y = 10 → (2)
Since the y-terms are opposites then adding the equations term by term will eliminate them.
6x = 6 ( divide both sides by 6 )
x = 1
Substitute x = 1 into either of the 2 equations and solve for y
Substituting into (2)
4(1) + 3y = 10
4 + 3y = 10 ( subtract 4 from both sides )
3y = 6 ( divide both sides by 3 )
y = 2
solution is (1, 2 )
Ответ:
95/n=n
You could put 5 in and get 95/5=19.