Answer:
4 is 1
5 is 2
Step-by-step explanation:
hope this helps:P
Answer:
The coefficient of 
is 3.
Step-by-step explanation:
The coefficient of an equation is the number that is multiplied by the varible. In this equation, 
is being multiplied by 3, so the coefficient is 3.
Answer:
X=1
Step-by-step explanation:
6x+12-3=15
6x+9=15
6x+9-9=15-9
6x=6
X=1
Plane acb
plane bac
plane bca
plane cab
plane cba
Answer:
x = -1, y = -2.
Step-by-step explanation:
Using the elimination method,
multiply the first eqn by 2 and the 2nd eqn by 5.
6x - 10y = 14
25x - 10y = -5
Subtract one of the new equations from the other
-19x = 19
x = -1
Sub x=-1 into the 2nd eqn
-5 - 2y = -1
y = -2
Hence x = -1, y = -2.
