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Simplifying 6x + 18 + -2x = 3x + 21 Reorder the terms: 18 + 6x + -2x = 3x + 21 Combine like terms: 6x + -2x = 4x 18 + 4x = 3x + 21 Reorder the terms: 18 + 4x = 21 + 3x Solving 18 + 4x = 21 + 3x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-3x' to each side of the equation. 18 + 4x + -3x = 21 + 3x + -3x Combine like terms: 4x + -3x = 1x 18 + 1x = 21 + 3x + -3x Combine like terms: 3x + -3x = 0 18 + 1x = 21 + 0 18 + 1x = 21 Add '-18' to each side of the equation. 18 + -18 + 1x = 21 + -18 Combine like terms: 18 + -18 = 0 0 + 1x = 21 + -18 1x = 21 + -18 Combine like terms: 21 + -18 = 3 1x = 3 Divide each side by '1'. x = 3 Simplifying x = 3
| 20.8+3k=100 | | 6(7x-5)+11x= | | -(x-12)+3=2x | | 144x^2=49 | | -3x-15=7x-75 | | 1.5*x=1 | | f(x)=x^3-3x | | X-3=2x-18 | | 15-(5x-4)=34 | | 5(8x+9)-28(x-5)= | | 3x^4-12x^3-15x^2-40x+18=0 | | 12+x=-16 | | 11x+3-9x-1= | | 3x^2=-48x-189 | | 9.2b-6+3b=14 | | 33.4+51.3+x=180 | | 56=-8(x+9) | | 4x+x=215 | | 2x+18+4x=24 | | 8x+3=8c | | -0.75(5.2X-6)=1.2X-0.8-3.7X | | 2*x=100 | | 5-2x+-4x+9=180 | | log[3]81x=4x | | g^2+49g=0 | | 18=d | | 9x+6+5x+4= | | 5(5-5r)=2r+2 | | 5-2x+-4x+9=120 | | 3x^2=-48-189 | | g^2-29g+36=0 | | s=18d |