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Simplifying 9 = 12 + -2x Solving 9 = 12 + -2x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2x' to each side of the equation. 9 + 2x = 12 + -2x + 2x Combine like terms: -2x + 2x = 0 9 + 2x = 12 + 0 9 + 2x = 12 Add '-9' to each side of the equation. 9 + -9 + 2x = 12 + -9 Combine like terms: 9 + -9 = 0 0 + 2x = 12 + -9 2x = 12 + -9 Combine like terms: 12 + -9 = 3 2x = 3 Divide each side by '2'. x = 1.5 Simplifying x = 1.5
| 11x+4y-109=0 | | 4x^4-40x^3+20x^2+30x+2=0 | | log(2x+4)=2log(3) | | 8n-5=3n-10 | | h-3.5=9 | | 7.65+8.3m=-12.95-12.3m | | 6x+1=8-8x | | 6(2x-6)=12x-36 | | 10n+8+13=7 | | lgx*lgx=0 | | 6.6-7.7r=-8.3r | | 4(2x+1)+15=3(x+3) | | 10y=-9x | | 9+s=5 | | 11.2d+13.27=8.26+8.9d-14.31 | | 1.4d=4.75 | | 20-15g=-20g | | z+9=z-3 | | -14+6b+6=20-b | | 2.25x=7.5 | | 4x-40=2x-2 | | 3-8j=-3-7j | | 2a+5=-3 | | 7x+6y+20=180 | | Mod(2x+1)=3-x | | 1.4k=4.75 | | -7z+1=-10z+10 | | (x-2)(x+3)-x(2x+1)-2(x+2)=-x(x+12)+10(x-1) | | 140=5x | | 1140=5x | | 7x+9=3x+40 | | 2.5k=4.75 |