Algebra 1
posted by BB .
Solve the following system by using either addition or substitution. If a unique solution does not exist, state whether the system is dependent or inconsistent.
10x+2y=7
y=5x+3

Algebra 1 
jere
no solution.
first you have to place the 5x on the same side as the y... and it becomes a positive
5x+y =3
then you multiply it by 2
2(5x+y =3)
then it is 10x2y =6
add it to 10x+2y = 7
you will see that 0 does not = 1, so therefore it has NO SOLUTION 
Algebra 1 
jere
as to whether its dependent or inconsistent... uhm, there should be something in the text that explains that :]

Algebra 1 
drwls
The equations are inconsistent. Both cannot simultaneously be true.
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