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-81=-3(-1-2y(
We move all terms to the left:
-81-(-3(-1-2y()=0
| 7x-2+25x-14=360 | | 8x+5-6=25 | | 4(-2s+6)=10(s+3) | | 11-3x=75-1+5 | | 4x+1-15=7+3x-1 | | 2000=0.290W/t2 | | -x^2+120x-575=0 | | 4x-15=3(x-5) | | 4x(3x+4)=16 | | -1(x+24)=-1(3x+8) | | 2x4=8x5 | | 10x-20=x+4 | | 4(x+3)=22+3x | | 53+x=130 | | 0x+9=1x+8 | | X^2+2x+14=90 | | 13-1/2x=37 | | 3(3x-6)=45 | | b/3+10=15 | | 5x-9=- | | 3(p-14)=9 | | 80=x=3x-2 | | 48=7n-8 | | -4g=-9−g | | x+10+x=96 | | 10w=9w+8 | | -3x+15=-2x+20 | | b/5+2=6 | | 8d=-9+5d | | 3m=-5+2m | | 6(r−2)=2r+86(r−2)=2r+8 | | 415.6=3.1416d |