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6.638+x=6.638
We move all terms to the left:
6.638+x-(6.638)=0
We add all the numbers together, and all the variables
x=0
| -5+6r=31 | | -19x-15=-53 | | 22.50+9.50h=9.95+11.40h | | 2w+(w-7)+(w-13)=180 | | 4/(3x)+5=8 | | .3(2z+4)=6(5z+2) | | -5(-n+7)=40+4n | | 15x+40+5x=180 | | 3/8x^2-3/4x+7/16=0 | | 3x+7=2x=4 | | -6y=-21y-45 | | 6+6(2t-1)=8+12t | | Y+28+5y+2y=180 | | 3x+2=9x+6=180 | | 4,709+x=5,000 | | 3q-2q+4q-4q=20 | | 3x+2+9x+6=180 | | (z+14)+38+3z=180 | | –5t2+40t=0. | | 54+4v+2v=180 | | 10=j-32 | | 3x+2=9x+6=70 | | 0.4k+1=35 | | (6x-77)=180 | | 10=j−32 | | 17.28=2t | | 12d-10d+2d-d-d=6 | | 170-35x=650+25x | | 180=2x-15+x+55 | | 86+50+2x=180 | | (4x)=40 | | 12=c-47 |