Answer:
x=1
Step-by-step explanation:
1) 6x-5y=5
2) 3x+5y=4
ets perform the following operation
1) +2), This leads to the following equation:
6x+3x-5y+5y=5+4
From where we obtain the solution for x
9x=9
x=1
Answer:
I think #2
Step-by-step explanation:
The greatest place value is the tens spot which 2 is in the tens spot so we need to round up since 5 is next to the 2. The answer would be 30
Answer:
27:8
Step-by-step explanation:
189/56 = 27/8
4 - 9x = -14
4 - 4 - 9x = -14 - 4
9/9x = -18/9
x = -2