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Variables on both sides
Solve for y
Mix
100
m + 3 = 15
m = 12
100
12 = 7a – 2
a = 2
100
13a – 14 = 10a – 2
a = 4
100

3x + y = -10

y = -3x -10

100

6x+2=8

x=1

200
x – 7 = 10
x = 17
200
-5 = 3c – 2
c = -1
200
12a – 11 = 9a + 1
a = 4
200

y - 5x = 9

y = 5x + 9

200

1.5(p+3)=18 

p=9

300
-11 + q = -5
q = 6
300
–2 = m/3 + 4
m = – 18
300
26 + 5a – 10 = –4a + 1 + 4a
a = –3
300

-2x + 2y = 18

y = 1x + 9

300

2.9y+2.7=1.1y-9.9

y=-7

400
c/7 = 10
c = 70
400
–35 = –4x – 7
x = 7
400
6r + 2 – r = 2r + 4 + 3r
no solution (NS)
400

6x - 3y = -21

y = -2x + 7

400

1/2(x - 14) = 1/2x - 3 - 5

No Solution

500
-3/2t = –9
t = 6
500
4(z + 1) = 32
z = 7
500
7m – 4m + 1 = 9m + 1 – 6m
All Reals
500

4x + 1/2y = -10

y = -8x - 20

500

-2(x + 5) = -2x -10

Infinitely Many Solutions