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6a-2(3+2a)=13
We move all terms to the left:
6a-2(3+2a)-(13)=0
We add all the numbers together, and all the variables
6a-2(2a+3)-13=0
We multiply parentheses
6a-4a-6-13=0
We add all the numbers together, and all the variables
2a-19=0
We move all terms containing a to the left, all other terms to the right
2a=19
a=19/2
a=9+1/2
| 16^-x+22=128x | | 5w−10=3w | | j=2j+5 | | 8t=-6+7t | | 16^(-x+22)=128x | | 8n+6-3n=9+5n-3 | | 540=3/2b+(2b+90)+(b+45)+90+b | | 3n=+2 | | 5y-2=7y+6 | | -2y-(-2(3y+2)-8=0 | | 3y^-2-12y^-1+12=0 | | x/(x+10)=76 | | a/40=9.140 | | g/2+14=26 | | 10+3x=30+4x=5x-30=6x-10=360 | | 9-1/2x=14-3/5x | | z/8+8=36 | | 4(6n+4)=64 | | 5w-14=16 | | -2p+24=12 | | 9x=252 | | f/8-20=-24 | | 2/5x-5/2=7/10 | | 9u=5u+16 | | 8w-14=26 | | z/7+5=33 | | 15.99+0.11(x+3)=16.74-0.15x | | k/2+9=37 | | x+8+27=90 | | 15.99x+0.11=16.74+.15 | | (5x-17)+(4x-3)=180 | | x/20=x+2/10 |