Answer:
20
Step-by-step explanation:
50 - 20 = 30
30 ÷ 1.50 = 20
I think the answer is 18.
Equation/ steps:
12+v=30
30-12= 18
V=18
Hope this helps!
Answer:
In linear algebra, a coefficient matrix is a matrix consisting of the coefficients of the variables in a set of linear equations.
Step-by-step explanation:
the matrix is used in solving systems of linear equations
Step-by-step explanation and the Answer:

Combine Like Terms. Now the equation looks like this:
Then Subtract
from both sides. Then the equation looks like this after u subtract
from both sides: 
Now divide
from both sides. Now the equation looks like this after u Divide
from both sides: 
So therefore the answer is
.
Answer:
Step-by-step explanation:use a calculator then press 4.32 divided by 12 whatever you get that is the answer