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Simplifying 81 * 9 * -2b + -2 = 27 Multiply 81 * 9 729 * -2b + -2 = 27 Multiply 729 * -2 -1458b + -2 = 27 Reorder the terms: -2 + -1458b = 27 Solving -2 + -1458b = 27 Solving for variable 'b'. Move all terms containing b to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + -1458b = 27 + 2 Combine like terms: -2 + 2 = 0 0 + -1458b = 27 + 2 -1458b = 27 + 2 Combine like terms: 27 + 2 = 29 -1458b = 29 Divide each side by '-1458'. b = -0.01989026063 Simplifying b = -0.01989026063
| 35x+20(x+21)=600 | | 3bc^2=25 | | 2sin(x)*sin(x)=0.5 | | 35x+20(21)=600 | | 20+35x(21)=600 | | 2sinx*sinx=0.5 | | p^2+8=-8+10p | | 20x+35(x+600)=21 | | 2sin^2x=0.5 | | 49+(x+3)=180 | | 5x^2-15x=140 | | N^2=-16n-63 | | X+(2x-3)+((2x-3)-4)+(2x+3)+2(2x-3)=64 | | y=3x^2+3x-13 | | y=3x^2-6x | | (b+30)(b-36)=0 | | (4.00/5.00)=520 | | 20+35(x+600)=21 | | 20+35(21x)=600 | | 2k^2-26k=-84 | | 20+35=21(x+600) | | s=2.75p+52 | | 4r*5=5r*t | | 20+35*21=600 | | 5-4x=37 | | [7x-13]=[10x+7] | | 20x+35x(x+21)=600 | | -y^2-y-16=0 | | 5=g/-11 | | 5=g/-111 | | X^2+3x-25=3x | | 20+35+x-21=600 |