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Simplifying 4(4k + -7) + -2(5k + 1) = 4 + -2(k + 3) Reorder the terms: 4(-7 + 4k) + -2(5k + 1) = 4 + -2(k + 3) (-7 * 4 + 4k * 4) + -2(5k + 1) = 4 + -2(k + 3) (-28 + 16k) + -2(5k + 1) = 4 + -2(k + 3) Reorder the terms: -28 + 16k + -2(1 + 5k) = 4 + -2(k + 3) -28 + 16k + (1 * -2 + 5k * -2) = 4 + -2(k + 3) -28 + 16k + (-2 + -10k) = 4 + -2(k + 3) Reorder the terms: -28 + -2 + 16k + -10k = 4 + -2(k + 3) Combine like terms: -28 + -2 = -30 -30 + 16k + -10k = 4 + -2(k + 3) Combine like terms: 16k + -10k = 6k -30 + 6k = 4 + -2(k + 3) Reorder the terms: -30 + 6k = 4 + -2(3 + k) -30 + 6k = 4 + (3 * -2 + k * -2) -30 + 6k = 4 + (-6 + -2k) Combine like terms: 4 + -6 = -2 -30 + 6k = -2 + -2k Solving -30 + 6k = -2 + -2k Solving for variable 'k'. Move all terms containing k to the left, all other terms to the right. Add '2k' to each side of the equation. -30 + 6k + 2k = -2 + -2k + 2k Combine like terms: 6k + 2k = 8k -30 + 8k = -2 + -2k + 2k Combine like terms: -2k + 2k = 0 -30 + 8k = -2 + 0 -30 + 8k = -2 Add '30' to each side of the equation. -30 + 30 + 8k = -2 + 30 Combine like terms: -30 + 30 = 0 0 + 8k = -2 + 30 8k = -2 + 30 Combine like terms: -2 + 30 = 28 8k = 28 Divide each side by '8'. k = 3.5 Simplifying k = 3.5
| x-y-1=1 | | 6.5=a+(-0.10*33) | | 2x-5y=x-y | | 9y-7(54-8y)=-96 | | -x=8y+54 | | 9y-7x=-96 | | -x^2-4x+9=0 | | x-8y=54 | | -1a=-3.3+-6.5 | | 75+18-x+9-x+x+48-21+59+25=150 | | 4x+5y-z=20 | | x+5y=10fory | | 6.5=a+(-3.3) | | x+2.4=7.2 | | 5x-5=5(x+9) | | 8-4x-5-10x=5 | | 12-C+14-C=16 | | v^2+5=55 | | 22=3.14r^2 | | 15-8p=p+6 | | -4312*9= | | 46-2B=20 | | 93=3w^2+9 | | -4(w-8)+9w+1= | | (6x-7)(X+5)=(2x+1)(3x+1) | | 17b-9-11b+16=-11 | | (5x-7)=8 | | (-4312)*9= | | 64=2y^2 | | C+17=26 | | 2=A+2 | | 11.67=4s+3b12.89=8s+1b |