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Simplifying (9y) + -1(9y) = 0 Remove parenthesis around (9y) (9y) + -1 * 9y = 0 Multiply -1 * 9 (9y) + -9y = 0 Combine like terms: (9y) + -9y = 0 0 = 0 Solving 0 = 0 Couldn't find a variable to solve for. This equation is an identity, all real numbers are solutions.

| 81+16k^2=0 | | -2+8w=30 | | 3*3a=9 | | 0.05x-0.25+.75x=0.5-0.025 | | 1+x=4 | | 3.6+-7=y | | 8x+.4=7.2 | | -7r=84 | | -11.7x=35.1 | | 0.5x^3-6x^2+12x-20=y | | 200=n+310 | | 2(x-5)=3(x+8)-4 | | 5p-4=31 | | 3y+13=-20 | | 12t=-69 | | 4x^3-12x^2-11x-2=0 | | 8x+3=7x-4 | | 5n=-35 | | x^2-400x+7500=0 | | 5x^3+15x^2+5x+15=0 | | 35=y+.003 | | 12m^2-11m-15=0 | | -8(4b+4)+(-33b-1)=0 | | 16=x+9 | | x^2+2x+11=59 | | M+3=7 | | 3w=-333 | | 1.8=9m | | 8p+12=50 | | 6a=180 | | 3.2q-3.8-4.5q=-2.3q-4.8 | | 4=12x+10 | | -20+x-16=14-48 | | 3n=4.5 | | 1.5=x-6 | | 6X+3=12-X | | Y=-2x+12 | | 4m-4m=4 | | (3x-4)2= | | 9937-8585338996=s | | 3ax-1=4 | | x^2+2x+9=57 | | 2x+4y=-8 | | -5t^2+11t+54=0 | | (2x-3)*(x+3)=0 | | 10x+7-3=9x-2 | | -6y+7=-7y+6 | | 3ax-4ax=7+3a | | 9(2x-2)+13=3(x+8)+16 | | (x-8)(4x+9)=0 | | 5X-3=18+X | | r-23=-30 | | (6x-5)(36x^2-60x+25)= | | 5x^2-9x+2=0 | | 5(z+6)=82 | | (6+8)+2=(2+8)+6 | | -6(k-7)+6(k+5)=73 | | -x-7y=14 | | 5(2+6)=82 | | 5x-3=4x-7 | | y^2=7y-10 | | 4x+12=11-39x | | 3*x^4+2*x^2-240=0 | | X^2-29x=-54 | | 4x^3-x= |

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