7 1/2÷ 1 9/10 = 15/2 ÷19/10 = 15/2x10/19 = 159/38 = 4 7/38
4 7/38 (Answer)
_____
38 )159
152
__________
Just like algebra
i lis like x
distribute invisible -1 to second set
-1(-1+3i)=1-3i
now we have
7-9i+1-3i
8-12i
Answer:
D
Step-by-step explanation:
Twice the sum of a number and 3
2 (x+3)
is the same
=
as 11 increased by the number
11 + x
so...
2 (x+3) = 11 + x
2x+6 = 11+x
2x-x = 11-6
x = 5
8 hours because...
864 576
---- = ----
12 x
6912=12x
x=8
