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13=5x-9=2x-10-12x
We move all terms to the left:
13-(5x-9)=0
We get rid of parentheses
-5x+9+13=0
We add all the numbers together, and all the variables
-5x+22=0
We move all terms containing x to the left, all other terms to the right
-5x=-22
x=-22/-5
x=4+2/5
| 2b+2b-6=6 | | 5x-7=8x-9 | | 146+(4x-2)=180 | | 7+8x-4=-2x+11-3x | | F=9/5c=10+32 | | 1.6x-5.8=-2.4 |