bigworm60
19.07.2021 •
Mathematics
Determine the point of intersection of the lines x + y = 4 and 2x + 3y = 12
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Ответ:
(2,2)
Step-by-step explanation:
x=4-y
2 ( 4 - y )+ 3y= 12
2y = 12 -8
y= 2
substitute y in first eq. :
x=4 - 2
x= 2
Ответ:
a
Step-by-step explanation:
56 ÷ 4 = 14
mark brainliest if right :P