Systems of linear equations
Systems of linear equations
Find both x- and y- coordinates of the solution to each system using substitution.
1) 2 y + 4 = -3x 0 = -x + y - 3
2) 0 = -x - 2 + y
-2 y
-
2
+
1 x
=
0
2
3) -2x - 8 y = 8 0 = x - 2y - 8
4) -3 y = -9 - x 0 = -6 y - 18 - 10x
5) 6 = -x + 2 y 4x - y = 4
6) -12 = 6x + 3 y 1= y+ 1x 3
7) -3 + 2x = -3 y 0 = 6 + 3y - x
8) - y = 4 -3x - 1 = y
9) - y = -4 + 2x -2 y = 8 - 12x
10) - 1 = x + 1 y
2
2
-y - 4 + x = 0
11) -3x = -2 y - 4 -8 + 2 y + 3x = 0
12) -2 = -x + y 6x - y = -3
13) 4 y - 8 + x = 0 7x + 16 = -4 y
14) x - 4 y = -12 6x - 4y - 8 = 0
15) -2 y + 2 = -3x 4 = -x - y
16) -4 + y = -2x -3 - y + 5x = 0
17) - 2 x = -1 + 1 y
3
4
-6 = 3y + 2x
18) -2 y - 3x = 8 3x = -4 + 2 y
19) -3 y - 12 - 9x = 0 -x = -y + 4
20) 24 = -21x + 6 y 4 + 2y - x = 0
21) 0 = - y + 3 - 3x 3x - 24 = 6 y
22) - y - 4x = 1 4+x= y
23) 2x - 1 = - y 4 + 2y + x = 0
24) 0 = 3 - 5x - y 2x - 6 = 2y
25) 0 = -3 - x - y 8 = -x + 4y
26) 7x = -3 - y -3 + y = -x
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