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Simplifying 17b + 5 + -13b = 21 Reorder the terms: 5 + 17b + -13b = 21 Combine like terms: 17b + -13b = 4b 5 + 4b = 21 Solving 5 + 4b = 21 Solving for variable 'b'. Move all terms containing b to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + 4b = 21 + -5 Combine like terms: 5 + -5 = 0 0 + 4b = 21 + -5 4b = 21 + -5 Combine like terms: 21 + -5 = 16 4b = 16 Divide each side by '4'. b = 4 Simplifying b = 4
| 21-(x+9)=7x-4 | | 4y+4=5y+7 | | x-4=4x+2x+8 | | 9-9=8x+7x | | 8w-19w=33 | | -2(5x+4)=12 | | (5z+7)(6-z)=0 | | 43+10-26a=27 | | x^4-6x^3-9x^2+96x-117=0 | | 9m-9+4m=27 | | 2cos^2(4x)-1=y | | (12x-4y)-(6x+7y)= | | Y=0.2175x+15.37 | | 12d-(-4d)= | | .08x+0.9(x+2000)=690 | | -(7-8a)-(17+7a)-5=-(5-6a)+(-a)+4 | | (6+x)(5x-9)=0 | | 3x+4(3x-6)=126 | | -[4x-(2x+2)]=-7-[4(2x-4)-4x] | | 4j-3(2+j)=6 | | 8+-10=98 | | 9x+4y=7 | | 20h-5=0 | | .75-.333z=.25 | | -24x^2-50x+30=0 | | .666k+.25k=22 | | 5.80f+9.60(20-f)=80.80 | | (5.80+9.60)(20-f)=80.80 | | 18m-(16m+14*2)=0 | | .666g+.5g=14 | | 18m-(16m+14n)=0 | | 5.80f+9.60(20-f)=80.00 |