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(-b)-b=
We move all terms to the left:
(-b)-b-()=0
We add all the numbers together, and all the variables
(-1b)-b-()=0
We add all the numbers together, and all the variables
-1b+(-1b)=0
We get rid of parentheses
-1b-1b=0
We add all the numbers together, and all the variables
-2b=0
b=0/-2
b=0
| 20/4/5=100/x | | 9n^2-29n=0 | | –20−19c=3c+15−15c | | r+1=-19,r= | | 2(3-h)-6h=-5h | | -n+7n-6-n=5n-8 | | |4y+9|=|2y-1| | | 2x+6+3=2x+4+5 | | 18=m+14,m= | | 12-7n=28 | | 2x+50=9x-10 | | 3t+12+66=180 | | 3(x+2)=x+2(x+5) | | 13+x=25,x= | | y-18=-1,y= | | 5x+3=2x+67 | | +5p=35 | | 4-16k=-12k | | 10x=7x+15= | | 3.4(x+7)-2.1x=35.5 | | -1=m-15,m= | | -5-17z=-19z+19 | | 10-4(6x+2)=74 | | 144(w-2)-w=46 | | c+(-c)= | | T^2-30t+85=0 | | 10b-10=180 | | 3x^2+6x-69=0 | | 2=x-6,x= | | 26=9x+10 | | (2c+7)^2-35=0 | | –5−17z=–19z+19 |