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Simplifying 2x + 2(x + -1) = 2x + -15 + 3x Reorder the terms: 2x + 2(-1 + x) = 2x + -15 + 3x 2x + (-1 * 2 + x * 2) = 2x + -15 + 3x 2x + (-2 + 2x) = 2x + -15 + 3x Reorder the terms: -2 + 2x + 2x = 2x + -15 + 3x Combine like terms: 2x + 2x = 4x -2 + 4x = 2x + -15 + 3x Reorder the terms: -2 + 4x = -15 + 2x + 3x Combine like terms: 2x + 3x = 5x -2 + 4x = -15 + 5x Solving -2 + 4x = -15 + 5x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-5x' to each side of the equation. -2 + 4x + -5x = -15 + 5x + -5x Combine like terms: 4x + -5x = -1x -2 + -1x = -15 + 5x + -5x Combine like terms: 5x + -5x = 0 -2 + -1x = -15 + 0 -2 + -1x = -15 Add '2' to each side of the equation. -2 + 2 + -1x = -15 + 2 Combine like terms: -2 + 2 = 0 0 + -1x = -15 + 2 -1x = -15 + 2 Combine like terms: -15 + 2 = -13 -1x = -13 Divide each side by '-1'. x = 13 Simplifying x = 13
| 0.3xx=12 | | 47+2x+13=90 | | 3*(B+7)+4B=70 | | 4s=2s-2+3s | | 4+6r-9x=3x | | 7-2x=7-7x | | 0.8d=9.816 | | 1600b=400 | | 2*(A-8)+A=8 | | -1.3=0.5 | | 6.9u=10.3 | | -2=2x+20 | | 12x-5y=-8 | | -22=-24ln(x) | | 2(3x+1)+2(x-1)=4(2x+1)-3 | | 8E+8-4E=40 | | 0.65p=0.5395 | | 4y-9=18 | | 9D-3-4D=42 | | X-5=2x-37 | | -6w+3(w+5)=30 | | 3xy+2xy+y=1 | | 3.59p=4.308 | | 3/8=1/2x | | 5.6t=58.8 | | 2a+3+a=4(1-a) | | 16-64x^2=0 | | 2x+3+2x+x=98 | | x^4+2x^2-59=0 | | 4.1c=5.48 | | (x+m)2+n=x^2+4x-6n | | -15=(-8ln)(3x)+7 |