ob3ymysins
25.06.2021 •
Mathematics
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Ответ:
x = 23
Step-by-step explanation:
AE = EC
so, 5x + 3 = 118
5x + 3 = 118
Bring +3 to the other side so -3
5x = 118 - 3
5x = 115
Bring 5 to the other side so:
x = 115 ÷ 5
x = 65
Ответ:
0, 2
Step-by-step explanation:
Let's start by factoring an x² out
we have
x²( -x³+8)=0
we can easily see that x=0 is an answer
next we have
-x³+8=0
Solve for x and get 2