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Simplifying 7b + -20 = 2b + 20 Reorder the terms: -20 + 7b = 2b + 20 Reorder the terms: -20 + 7b = 20 + 2b Solving -20 + 7b = 20 + 2b Solving for variable 'b'. Move all terms containing b to the left, all other terms to the right. Add '-2b' to each side of the equation. -20 + 7b + -2b = 20 + 2b + -2b Combine like terms: 7b + -2b = 5b -20 + 5b = 20 + 2b + -2b Combine like terms: 2b + -2b = 0 -20 + 5b = 20 + 0 -20 + 5b = 20 Add '20' to each side of the equation. -20 + 20 + 5b = 20 + 20 Combine like terms: -20 + 20 = 0 0 + 5b = 20 + 20 5b = 20 + 20 Combine like terms: 20 + 20 = 40 5b = 40 Divide each side by '5'. b = 8 Simplifying b = 8
| -x/2=1 | | 14y+11=2y-49 | | X+y-2z=-4 | | 10w^2-20w-150= | | (4-2i)-(5-8i)= | | 2(x-4)-(x+6)=10 | | 14-5x=(-6)+5x | | x=8x^3-4x^2+8x+8 | | -8x-67=-3x+23 | | 6.2z=4.5 | | (5-2i)-2(3+i)= | | x+4y=-14 | | 8x+17=5x-12 | | 12+3c=18c-18 | | 0.7x+4=-0.3x+3 | | 4+3m=9m-8 | | 5x+6=2x+8 | | -9y-2(2-7y)+4= | | 7(7-2x)+8(6x+4)=15 | | 2x+3=6x-9 | | 2(5t+-4)=12t | | 5t^2-20z-25= | | (-x^3-2)(x^2+3x-3)= | | -9x-20=-8x+10 | | 2r^2+1-5r=0 | | 16-5y+5(-8-y)= | | 8.1h+3.8-5.6h=-7.2 | | 40h+52=544 | | 3log[4](2x-9)=6 | | x+-3=-19 | | (2x+3y)+(4x+9y)= | | =(-x^3-2)(x^2+3x-3) |