Date
Class
Name
4-2
PfaCtiCe
Part 2
(continued)
Solving Systems Using Substitution
Solve each system by substitution. Tell whether the system has one solutian,
infinilely many solutions, or no soltrtion,
1.6x-3y:15
Y:2x-
2.
4x +
y:1
-3x-Y:g
5
5x+2Y:6
2;x-61t -- 12
3y:2x+9
3y:x+6
4x+y=g
2*-y = -tZ
7' Y:5x-t
5x+Y:l
6_
4x+2Y:7
y:-*
8' Y:3*-6
-3x+Y:6
The coordinate grid shows the graphs of two linear
equations.
9.
+ 3.5
Use the graph to estimate the solution of the system.
10. Writg the system of linear equations represented by the
graphs? Explain your answer.