Combining
3x + 4x
7x
9x+6=4x+31
5x=25
2(x+3)
2x+6
2(x+3)+2x=16
4x=10
x/2=6
x=12
8x - 5x
3x
4x+7+2x=25
6x=18
4(x-2)
4x-8
4(x+3)+x=27
5x=15
x/2+3=9
x=12
9x + 2 - 4x
5x + 2
9x-5=4x+2x+25
3x=30
2(2x+3)
4x+6
4(2x+5)-2x=38
6x=18
2x/3+4=12
2x=24
8x + 2 +5x - 7
13x - 5
8x+7+4x=6x+37
6x=30
5(3x+2)
15x+10
2(4x+3)+3x=41
11x=35
4x/5+2=14
4x=60
20x - 8 + 15x + 22
35x + 14
5x +4 = 2x + 3x +16
0=12
no solution
5(4x-3)
20x-15
3(4x-2)+5x=52
17x=58
3x/8+2=11
3x=72