chloebaby8
13.02.2020 •
Mathematics
Solve each system by elimination
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Ответ:
x = -3
y = -5
Step-by-step explanation:
1.- y - 3x =4
2.- y - x = -2
1 - 2 = -2x = 6
2x = -6
x = -3
going back to 1
y - 3(-3) = 4
y + 9 = 4
y = 4 - 9
y = -5
Ответ:
The three inside angles of a triangle equal 180 when added together.
To find x subtract the two given angles from 180.
X = 180-67-52
X = 61