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Simplifying 12 = 12 + (-2x) Add '-12' to each side of the equation. 12 + -12 = 12 + -12 + (-2x) Combine like terms: 12 + -12 = 0 0 = 12 + -12 + (-2x) Combine like terms: 12 + -12 = 0 0 = 0 + (-2x) 0 = (-2x) Solving 0 = (-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. 0 + (2x) = (-2x) + (2x) Remove the zero: (2x) = (-2x) + (2x) Combine like terms: (-2x) + (2x) = 0 (2x) = 0 Divide each side by '2'. x = 0 Simplifying x = 0
| .25x+81=41 | | (x)(8)+(20)(4)=(x-20)(6) | | 33=-2x+7 | | -13+7x+3x=-33 | | 6x+6x-1=3(4x+4) | | (X-46)=360 | | 72=8ed | | [40000+2500x][28-x]+[40000+2500x][4.00]= | | M=3.5 | | 9(37)=5F-160 | | 0=(-3x^2)-(18x)-8400 | | 12=12-2x | | -34=v+42-52 | | 7a+42=84 | | -[10z-(17z+3)]=3+(6z+4) | | 2(y-5)=y-1 | | 3(x-5)-2(x+2)=0 | | A+3b=4d | | -3x=105 | | 5n+0.5n-35=125 | | 8-2+9= | | 18+(-7)x(32-6)= | | 2(3x-4)-3x=1 | | -x-12=35 | | 15-3x=23-5k | | -(10z-(17z+3))=3+(6x+4) | | -2-5-17= | | 7d-16+3D=18-4d+8 | | (5+3)*x=x+20 | | 15-2+8= | | 70+0.80a=30+90a | | 64y^4+16y^2=128 |