Answer:
−
3
x
=
15 Divide each term in −
3
x
=
15 by -
3
.
−
3
x
−
3
+15
=−
3
Cancel the common factor of −
3
.
Cancel the common factor.
−
3
x
−
3
=
15
−
3
Divide x
by 1
.
x
=
15
−
3 by −
3
.
x
=
−
5
Answer:
29.07m³
Step-by-step explanation:
7+6=13
378÷13=29.07m³
Let sum of 3 numbers be x.
Average of 3 numbers and 8 =

25 =

100 = x +8
x= 92.
The sum of 3 numbers is 92.