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Simplifying -21 = -7w Solving -21 = -7w Solving for variable 'w'. Move all terms containing w to the left, all other terms to the right. Add '7w' to each side of the equation. -21 + 7w = -7w + 7w Combine like terms: -7w + 7w = 0 -21 + 7w = 0 Add '21' to each side of the equation. -21 + 21 + 7w = 0 + 21 Combine like terms: -21 + 21 = 0 0 + 7w = 0 + 21 7w = 0 + 21 Combine like terms: 0 + 21 = 21 7w = 21 Divide each side by '7'. w = 3 Simplifying w = 3
| 2/3*3/2 | | 7/8u=21 | | 3b+5d=0 | | 3a+2a+3a=180 | | 7=y/10 | | t/9=1-12 | | 6x-175-x^2+9=0 | | (2x-10)+(3x+5)=180 | | -4.6/2.3 | | (32)(5/9) | | X+23=14+x+12 | | X+1073+1108=1000 | | 2x+1073+1108=1000 | | 3x+1073+1108=1000 | | 6x+2+9x-10=180 | | 1073+1108-3000=1000 | | 1073+1108=1000 | | 1073x+1108x=1000 | | 1073+1108+3x=1000 | | Cos(20-x)=0 | | f(-3)=5x+8 | | 80x=36 | | x^2+x^2=636 | | -7+4x=-8x+11 | | -41x+1=x+4 | | 4x=50-10 | | a=150x-2x^2 | | 7(-5)+25=2(-5) | | 7(-5)+25=-2(-5) | | 2x+x^2=170 | | x*0.80=120 | | x*80=120 |