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Simplifying (3x + 21) = 2x + 1 Reorder the terms: (21 + 3x) = 2x + 1 Remove parenthesis around (21 + 3x) 21 + 3x = 2x + 1 Reorder the terms: 21 + 3x = 1 + 2x Solving 21 + 3x = 1 + 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 + 3x + -2x = 1 + 2x + -2x Combine like terms: 3x + -2x = 1x 21 + 1x = 1 + 2x + -2x Combine like terms: 2x + -2x = 0 21 + 1x = 1 + 0 21 + 1x = 1 Add '-21' to each side of the equation. 21 + -21 + 1x = 1 + -21 Combine like terms: 21 + -21 = 0 0 + 1x = 1 + -21 1x = 1 + -21 Combine like terms: 1 + -21 = -20 1x = -20 Divide each side by '1'. x = -20 Simplifying x = -20
| x+2x(x+30)=130 | | 8d-d+5d-9=3d | | r-21=-48 | | 7x+8=6x+10 | | 2=v/13 | | 13+p=-7 | | -2(x+6)=-10 | | -3=a/7 | | 8y-6=19+4y | | 10r=-70 | | 63-(3x+13)=3(x+5)+x | | -2/3+x=3/4 | | -21=-10+v | | 2n+9+3n=n+21 | | 6x+3=8x+16-3x | | 5-2x=-15 | | 4n+3=2n-11 | | 7p+15=3p+55 | | 22=4x-2 | | Ax+bx-2=-7 | | 4(n+3)=32 | | a+(a+2)+(a+30)=130 | | 7k-2+3k=6k+16 | | 52-19+5g=93 | | 16x-1=12x+23 | | -5x-4+9x=-19-x | | 2x+2=3x+8 | | x^4+9x^2=52 | | 5(y+7)=70 | | 0.5(1.5-3)+(1.5-X)=5X | | 0.5(X-3)+(1.5+X)=5 | | 3u+9-8u=31 |