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Simplifying 0.4(x + 5) + 0.6(x + 9) = 19.4 Reorder the terms: 0.4(5 + x) + 0.6(x + 9) = 19.4 (5 * 0.4 + x * 0.4) + 0.6(x + 9) = 19.4 (2 + 0.4x) + 0.6(x + 9) = 19.4 Reorder the terms: 2 + 0.4x + 0.6(9 + x) = 19.4 2 + 0.4x + (9 * 0.6 + x * 0.6) = 19.4 2 + 0.4x + (5.4 + 0.6x) = 19.4 Reorder the terms: 2 + 5.4 + 0.4x + 0.6x = 19.4 Combine like terms: 2 + 5.4 = 7.4 7.4 + 0.4x + 0.6x = 19.4 Combine like terms: 0.4x + 0.6x = 1x 7.4 + 1x = 19.4 Solving 7.4 + 1x = 19.4 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-7.4' to each side of the equation. 7.4 + -7.4 + 1x = 19.4 + -7.4 Combine like terms: 7.4 + -7.4 = 0.0 0.0 + 1x = 19.4 + -7.4 1x = 19.4 + -7.4 Combine like terms: 19.4 + -7.4 = 12 1x = 12 Divide each side by '1'. x = 12 Simplifying x = 12
| x+2x-6=-6 | | x+8y=-2 | | 6x^2+11x=710 | | 5m-3=-38 | | 16-1/2x=4 | | 5(5(5))x=843 | | 9x^2-2x-32=0 | | 39x-6=789 | | 30+0.25x=116 | | 900-42x=90 | | 16x+8+17x+1=180 | | 30+0.25x=118 | | 11=-11y+3y | | 30+0.25x=143 | | 9-6m=-39 | | 3ww-14=13 | | 9x-3=294 | | -4x+1=35 | | 5(3x-1)-4(2x-1)=-18 | | 11=-5a+2a | | 9x=3-8y | | 81-mm=0 | | 2x^4+7/2x^2-1=0 | | 5(x-2)+6x-4=41 | | X+9/5=-1 | | 30+0.25=143.25 | | 7y+9-2y=-11 | | 0=-16t^2+24t-5 | | 30+0.25=143 | | 7x+3=-32 | | 12+4y=72 | | 2t^2=9T-5 |