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Simplifying 4k + 7(-4 + -2k) = -2k + 4 4k + (-4 * 7 + -2k * 7) = -2k + 4 4k + (-28 + -14k) = -2k + 4 Reorder the terms: -28 + 4k + -14k = -2k + 4 Combine like terms: 4k + -14k = -10k -28 + -10k = -2k + 4 Reorder the terms: -28 + -10k = 4 + -2k Solving -28 + -10k = 4 + -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. -28 + -10k + 2k = 4 + -2k + 2k Combine like terms: -10k + 2k = -8k -28 + -8k = 4 + -2k + 2k Combine like terms: -2k + 2k = 0 -28 + -8k = 4 + 0 -28 + -8k = 4 Add '28' to each side of the equation. -28 + 28 + -8k = 4 + 28 Combine like terms: -28 + 28 = 0 0 + -8k = 4 + 28 -8k = 4 + 28 Combine like terms: 4 + 28 = 32 -8k = 32 Divide each side by '-8'. k = -4 Simplifying k = -4
| 9n-4=86 | | 1*2*3*4*5*6*7*8*9*10*11*12*13*14*15*16*17*18*19*20*21*22*23*24*25*26*27*28*29*30*31*32*33*34*35*36*37*38*39*40*41*42*43*44*45*46*47*48*49*50*51*52*53*54*55*56*57*58*59*60*61*62*63*64*65*66*67*68*69*70*71*72*73*74*75*76*77*78*79*80*81*82*83*84*85*86*87*88* | | 1*2*3*4*5*6*7*8*9*10*11*12*13*14*15*16*17*18*19*20*21*22*23*24*25*26*27*28*29*30*31*32*33*34*35*36*37*38*39*40*41*42*43*44*45*46*47*48*49*50*51*52*53*54*55*56*57*58*59*60*61*62*63*64*65*66*67*68*69*70*71*72*73*74*75*76*77*78*79*80*81*82*83*84*85*86*87*88* | | 12/5f=-6 | | x^3=26144 | | 34-65=-31 | | ab+3a-6b-18= | | 34-65=-23 | | 34-65= | | a+ab+abc=abcd | | (x+5)(x+5)(x+5)= | | a-4=a-6 | | y+(a^2/s^2)y | | w^2+2w+4= | | 28/7=16/4 | | c=2(3.14)7 | | 42=34 | | 2h=3h-2 | | 10a+9b+8c+7d+6e+5f+4g+3h+2i+j=10z-9y-8x-7v | | =6p^2+11p-10 | | 10a+9b+8c+7d+6e+5f+4g+3h+2i+j=10z-9y-8x-7v-6 | | 12.56=6.28r | | 3k^2-36k+96= | | 3(5/6)=2 | | x^2+(1-t)x+(2t-6)=0 | | X+3/x-3-2x-3/x+3=0 | | 4y-2x+7z=6a+5b-10c | | 4y=-x | | 3f^2-13f+10= | | (8x-3)(4x+1)=0 | | 125-5x=13x+21 | | 2*(3/4)+(1/14) |