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Simplifying 3(2x + -3) + -9x + -4 = 2x + 21 Reorder the terms: 3(-3 + 2x) + -9x + -4 = 2x + 21 (-3 * 3 + 2x * 3) + -9x + -4 = 2x + 21 (-9 + 6x) + -9x + -4 = 2x + 21 Reorder the terms: -9 + -4 + 6x + -9x = 2x + 21 Combine like terms: -9 + -4 = -13 -13 + 6x + -9x = 2x + 21 Combine like terms: 6x + -9x = -3x -13 + -3x = 2x + 21 Reorder the terms: -13 + -3x = 21 + 2x Solving -13 + -3x = 21 + 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. -13 + -3x + -2x = 21 + 2x + -2x Combine like terms: -3x + -2x = -5x -13 + -5x = 21 + 2x + -2x Combine like terms: 2x + -2x = 0 -13 + -5x = 21 + 0 -13 + -5x = 21 Add '13' to each side of the equation. -13 + 13 + -5x = 21 + 13 Combine like terms: -13 + 13 = 0 0 + -5x = 21 + 13 -5x = 21 + 13 Combine like terms: 21 + 13 = 34 -5x = 34 Divide each side by '-5'. x = -6.8 Simplifying x = -6.8
| (y^2-3)(8y^2-4y+3)= | | 4.33333b+b= | | 3b-2=3b-2 | | 5m-18=-22+m | | 7x-42=16 | | 7x^2-15x+10=0 | | 5x^2+10=70 | | 9(z+2)-3(z-25)=3(z-1)+2(z-3) | | 3*(ln(6x))=15 | | -6x-20=-110 | | 4v^2-5v=6 | | -6x-20=-120 | | 5t+1+2t-6t=6+2 | | 3a-5=90 | | (5z-4)(6+z)=0 | | 2=1/4(5x-16) | | 322/4 | | .9a+1.4a= | | 3=3/2(7x-6) | | 4x+13x=120 | | c-23c= | | 9/2=54/x | | (9t+7)(2t-6)= | | 5/9=45/n | | 8y^3+24y^2+18y= | | 6x-30+5= | | 100=3.14r^28 | | 20c+d+15c+17d= | | 2z*3z=0 | | (a^2)•1/2(a) | | 14f(3347+556)= | | 100=3.14r^2*8 |