SOLUTION: Solve each of the following systems by using either addition or substitution. If a unique solution does not exist, state whether the system is dependent or inconsistent.
10x +
Question 26306: Solve each of the following systems 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
Please help me.
Thank you very much. Answer by Alwayscheerful(414) (Show Source): You can put this solution on YOUR website!
Solve: We'll use substitution. After moving 2*y to the right, we get: , or . Substitute that
into another equation: and simplify: So, we know that y=1/2=0. Since , x=0.5.