ultimateapes
01.11.2020 •
Mathematics
6x+3y=24
3x-3y=-6
Solve the system using elimination (explain steps)
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Ответ:
(x,y)=(2,4)
Step-by-step explanation:
⇒ 9x=18 divide both sides of the equation by 9
⇒ x=2
then put x=2 into the equation 3x-3y=-6
⇒ 3×2-3y=-6
⇒ 6-3y=-6
⇒ -3y=-6-6
⇒ -3y=-12
⇒ y=4
(x,y)=(2,4)
⇒
⇒
⇒ (x,y)=(2,4)
Ответ: