lilwolves1013osqd2o
21.04.2021 •
Mathematics
Solve: -x + 4 = -9 and -3x + 7 = 1
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Ответ:
-x + 4 = -9 x= 13
-3x + 7 = 1 x= 2
Step-by-step explanation:
Stu :>
Ответ:
1. x=-13
2. x=2
Step-by-step explanation:
Ответ:
l=6+5w
P=2(l+w)
156=2(6+5w+w)
156=2(6+6w)
156=12+12w
12+12w=156
12w=156-12
12w=144
w=12cm
l=6+5•12
l=6+60
l=66cm