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Simplifying 0 = 9(7 + k) + (4 + 2k) * 9 0 = (7 * 9 + k * 9) + (4 + 2k) * 9 0 = (63 + 9k) + (4 + 2k) * 9 Reorder the terms for easier multiplication: 0 = 63 + 9k + 9(4 + 2k) 0 = 63 + 9k + (4 * 9 + 2k * 9) 0 = 63 + 9k + (36 + 18k) Reorder the terms: 0 = 63 + 36 + 9k + 18k Combine like terms: 63 + 36 = 99 0 = 99 + 9k + 18k Combine like terms: 9k + 18k = 27k 0 = 99 + 27k Solving 0 = 99 + 27k Solving for variable 'k'. Move all terms containing k to the left, all other terms to the right. Add '-27k' to each side of the equation. 0 + -27k = 99 + 27k + -27k Remove the zero: -27k = 99 + 27k + -27k Combine like terms: 27k + -27k = 0 -27k = 99 + 0 -27k = 99 Divide each side by '-27'. k = -3.666666667 Simplifying k = -3.666666667
| 0.6(y+-9.9)+-6.63=-9.33 | | 4-6y=12y-14 | | 8X^4+27=0 | | 54t-34t+67m= | | 22=5c+2 | | 147.8=n-0.3 | | 3x/4-5x=22 | | -8k-6h+7h-2k= | | 17-3d=11 | | 6(5-y)=48 | | C(x)=30.75-0.15x | | f=6+-16x-1+x | | 0.4-0.222x=1 | | 71+x=800 | | 45g-10u-20g= | | -16-k=7k+4(-2k-4) | | 3u+9= | | 135+45+6x+3+x+23=360 | | y^2-24y=35 | | 8x-12=6x-26x-2 | | 20+4w= | | 4(2x-10)=6x | | 3e-5y+5e= | | 32+148+32+5x+3=360 | | 4k^2-104k=-84 | | 0.4=0.2x-5 | | 125+5=30x | | -x/12=-156 | | 107+85+2x+43+2x+21=360 | | (3b-9)(3b+9)= | | g^2-2g-47=0 | | 6.25x+8.5=7.75 |