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Simplifying 1 + 2x = 7(x + 1) + -6(x + -1) Reorder the terms: 1 + 2x = 7(1 + x) + -6(x + -1) 1 + 2x = (1 * 7 + x * 7) + -6(x + -1) 1 + 2x = (7 + 7x) + -6(x + -1) Reorder the terms: 1 + 2x = 7 + 7x + -6(-1 + x) 1 + 2x = 7 + 7x + (-1 * -6 + x * -6) 1 + 2x = 7 + 7x + (6 + -6x) Reorder the terms: 1 + 2x = 7 + 6 + 7x + -6x Combine like terms: 7 + 6 = 13 1 + 2x = 13 + 7x + -6x Combine like terms: 7x + -6x = 1x 1 + 2x = 13 + 1x Solving 1 + 2x = 13 + 1x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1x' to each side of the equation. 1 + 2x + -1x = 13 + 1x + -1x Combine like terms: 2x + -1x = 1x 1 + 1x = 13 + 1x + -1x Combine like terms: 1x + -1x = 0 1 + 1x = 13 + 0 1 + 1x = 13 Add '-1' to each side of the equation. 1 + -1 + 1x = 13 + -1 Combine like terms: 1 + -1 = 0 0 + 1x = 13 + -1 1x = 13 + -1 Combine like terms: 13 + -1 = 12 1x = 12 Divide each side by '1'. x = 12 Simplifying x = 12
| 7x/3y=10 | | 43-5x=4x+15 | | 8x(x+2)+3=3x(x+1) | | 0.4x/0.5y=1.5 | | r-41=-24 | | 12-9x=182-44x | | 0.07x-0.04=-0.18 | | x=9.5 | | 5x/4y=0 | | -125-7x=1 | | -0.4x-0.08y=4 | | .15(2x-5)=3 | | 2t=108 | | 13-8x=40-15 | | 0.07x/0.08y=0.77 | | 13-8x=10x-15 | | 13-8x=10x+15 | | 0.2x-0.05y=0.29 | | 0.7x/0.4y=0.2 | | 0.2x/0.3y=1.1 | | x^3+7x^2-22x-10=0 | | a+2(a+1)=8 | | 3/4x+3/5y=3/4 | | 4x-56=98 | | 9(x-2)=8(x-1) | | 3x+114=7x-6 | | 5n/n+3=n-8 | | 12-9x=99-37x | | 4(x-3)-3(x-1)=2(x-1)-3(x+1) | | 4t=240 | | 3n-35=79 | | 3r=81 |