3x– 9 = -15
|3x– 9 = -15 |7x– 9 = 4x– 15 |
|9x-9-2x=4x-16+1 | |
| |9(x-1)–2x=2(2x–8)+1 |
|3x + 9 = -3 |7x+9=4x – 3 |
|9x+9-2x = 4x-8+5 | |
| |9(x+1)-2x=2(2x-4)+5 |
|3 – 2x = -5 |x+3 = 3x – 5 |
|6x+3-5x=3x-6+1 | |
| |3(2x+1)-5x=3(x-2)+1 |
|9-x=15 |2x+9=3x+15 |
|9x+9-7x=3x+6+9 | |
| |3(3x+3)-7x=3(x+2)+9 |
|4-2x = -6 |x+4 = 3x-6 |
|4-2x+3x=3x-12+6 | |
| |2(2-x)+3x= -3(4-x)+6 |
|8-x = 13 |3x+8=4x+13 |
|4x+8-x=4x+16-3 | |
| |4(x+2)-x=2(2x+8)-3 |
|3x-8=10 |7x-8=4x+10 |
|8x-8-x=4x+12-2 | |
| |8(x-1)-x= -4(-x-3)-2 |
|7 – 5x = -3 |7 – 8x = -3x - 3 |
|8-8x-1= -3x-12+9 | |
| |8(1-x)-1= -3(x+4)+9 |
KEY
9(x-1)–2x=2(2x–8)+1
9x-9-2x=4x-16+1
7x– 9 = 4x– 15
3x– 9 = -15
Not shown:
3x = -6
X = -2
9(x+1)-2x=2(2x-4)+5
9x+9-2x = 4x-8+5
7x+9=4x – 3
3x + 9 = -3
Not shown:
3x = -12
X = -4
3(2x+1)-5x=3(x-2)+1
6x+3-5x=3x-6+1
x+3 = 3x – 5
3 – 2x = -5
Not shown:
-2x = -8
X = 4
3(3x+3)-7x=3(x+2)+9
9x+9-7x=3x+6+9
2x+9=3x+15
9-x=15
Not shown:
-x =6
X = -6
2(2-x)+3x= -3(4-x)+6
4-2x+3x=3x-12+6
x+4 = 3x-6
4-2x = -6
Not shown:
-2x = -10
X = 5
4(x+2)-x=2(2x+8)-3
4x+8-x=4x+16-3
3x+8=4x+13
8-x = 13
Not shown:
-x = 5
X = -5
8(x-1)-x= -4(-x-3)-2
8x-8-x=4x+12-2
7x-8=4x+10
3x-8=10
Not shown:
3x = 18
X = 6
8(1-x)-1= -3(x+4)+9
8-8x-1= -3x-12+9
7 – 8x = -3x – 3
7 – 5x = -3
Not shown:
-5x = -10
X = 2
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