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Simplifying X + 9 + 3 + X = 0 Reorder the terms: 9 + 3 + X + X = 0 Combine like terms: 9 + 3 = 12 12 + X + X = 0 Combine like terms: X + X = 2X 12 + 2X = 0 Solving 12 + 2X = 0 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '-12' to each side of the equation. 12 + -12 + 2X = 0 + -12 Combine like terms: 12 + -12 = 0 0 + 2X = 0 + -12 2X = 0 + -12 Combine like terms: 0 + -12 = -12 2X = -12 Divide each side by '2'. X = -6 Simplifying X = -6
| 5b+5=90 | | z=2b+6 | | 13=x^2+4x+8 | | -2.4c=14.4 | | -(6x-4)+7=16 | | 3x-4y-6=3x | | -3(-9n+8)-9n= | | 3b-1=180 | | 2((3x*3x)-0.75)=180 | | 0.9x+2.6=0.8x+1.5 | | 2((3x*3x)-0.75)= | | 2b+6=180 | | 13=x^2+4x-5 | | 0.45x+0.40(220-x)=92.25 | | 23x+52=40 | | -4(x+8)-8= | | 5(4.6+0.4*4)-2*4=23 | | 6x-12=4x+4 | | 6x-12=4m+4 | | 5x-29=180 | | 2x^2+11x+7=0 | | 5(4.6+0.4y)-2y=23 | | 7n+2n-0.06=0.03+6n+0.10 | | 4+8x+2+(99-x)= | | 38=.4x | | 4+8x+2+(99+x)= | | 8x-20=5x-12 | | x+2=-(4x+4) | | 4+8x+2(99+x)= | | -12+x=x+27 | | -4(-7+5x)=-132 | | p+0.06p=201.4 |