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Simplifying 7x + -21 = 2x + 8 Reorder the terms: -21 + 7x = 2x + 8 Reorder the terms: -21 + 7x = 8 + 2x Solving -21 + 7x = 8 + 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. -21 + 7x + -2x = 8 + 2x + -2x Combine like terms: 7x + -2x = 5x -21 + 5x = 8 + 2x + -2x Combine like terms: 2x + -2x = 0 -21 + 5x = 8 + 0 -21 + 5x = 8 Add '21' to each side of the equation. -21 + 21 + 5x = 8 + 21 Combine like terms: -21 + 21 = 0 0 + 5x = 8 + 21 5x = 8 + 21 Combine like terms: 8 + 21 = 29 5x = 29 Divide each side by '5'. x = 5.8 Simplifying x = 5.8
| .2(20x+50)+2=68 | | x-22=3x+6 | | 5p=24-3p | | 21s/21=3/21 | | -7x-13=-5x+19 | | 339.2/8 | | -7x-13=5x+19 | | 2(x+7)=242 | | 3/(x-1)=5y | | -10+-12m+16=-90 | | (w-7)(w+1)= | | -w^2-10w-25=0 | | 2x^2-34x+60=0 | | 8/x=4/7 | | -41+=13+3x | | -6v+18=-12v-6 | | 2xy+1=3y | | =2*Cos(3X+30) | | 2x-32=-5x+59 | | 4/4x10/3 | | -11y/-y= | | 6x+2y=322 | | 40+8x=4(1+4x)-4 | | 17x-1=43x+1 | | (x-8)/2=12 | | -22+8x=18+4x | | 8*14-(8+6*14)= | | (3+5-2)x(8-5+1)= | | 0x+2=y | | (3+w)(3w+2)= | | x-8.5=3.6 | | log3)1/81 |