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Simplifying 9u + 7v + -7(9u + -8v + 3w) = 0 9u + 7v + (9u * -7 + -8v * -7 + 3w * -7) = 0 9u + 7v + (-63u + 56v + -21w) = 0 Reorder the terms: 9u + -63u + 7v + 56v + -21w = 0 Combine like terms: 9u + -63u = -54u -54u + 7v + 56v + -21w = 0 Combine like terms: 7v + 56v = 63v -54u + 63v + -21w = 0 Solving -54u + 63v + -21w = 0 Solving for variable 'u'. Move all terms containing u to the left, all other terms to the right. Add '-63v' to each side of the equation. -54u + 63v + -63v + -21w = 0 + -63v Combine like terms: 63v + -63v = 0 -54u + 0 + -21w = 0 + -63v -54u + -21w = 0 + -63v Remove the zero: -54u + -21w = -63v Add '21w' to each side of the equation. -54u + -21w + 21w = -63v + 21w Combine like terms: -21w + 21w = 0 -54u + 0 = -63v + 21w -54u = -63v + 21w Divide each side by '-54'. u = 1.166666667v + -0.3888888889w Simplifying u = 1.166666667v + -0.3888888889w
| 11d-d=30 | | 12n-5n=28 | | 6m-5m=8 | | 2y+x+3y-2x= | | 6x-4x=18 | | 6x+8=3y-16 | | 0.06g-0.08=0.094 | | 0.2x+31.7=32.04 | | 0.8f-2.31=4.49 | | 0.3b+4.62=4.98 | | 0.6v+18.9=24.78 | | 4p-81=111 | | 7j+33=159 | | 9n-46=521 | | 5m-28=152 | | (50-2x)*(24-2x)*x=360x | | 8r+62=630 | | 3.2x-2.1= | | 2(x-8)=4(3x+6) | | 6a-41=133 | | 10i+128=438 | | 4g+39=283 | | 8z+48=184 | | 7h-107=194 | | z+xy=6 | | log(15*15)=2+log(4x)-log(5-x) | | 2log(15)=2+log(4x)-log(5-x) | | x/6=0.15 | | 3e-19=146 | | 4m-(3m+2m)= | | 5t-46=79 | | 4b+31=107 |