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Simplifying 21 + x = 3(9 + -1x) + -6 21 + x = (9 * 3 + -1x * 3) + -6 21 + x = (27 + -3x) + -6 Reorder the terms: 21 + x = 27 + -6 + -3x Combine like terms: 27 + -6 = 21 21 + x = 21 + -3x Add '-21' to each side of the equation. 21 + -21 + x = 21 + -21 + -3x Combine like terms: 21 + -21 = 0 0 + x = 21 + -21 + -3x x = 21 + -21 + -3x Combine like terms: 21 + -21 = 0 x = 0 + -3x x = -3x Solving x = -3x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3x' to each side of the equation. x + 3x = -3x + 3x Combine like terms: x + 3x = 4x 4x = -3x + 3x Combine like terms: -3x + 3x = 0 4x = 0 Divide each side by '4'. x = 0 Simplifying x = 0
| 2x(-6)/((-6)x2) | | 9x-6x+20=50 | | 3.18d+4=3.54d | | 2D-7=-5 | | 4(3c-1)-5=10c+7 | | 7(-9+11)=-30(x-2) | | 4w-10=6(2+w)-2 | | X-4=4x+1 | | 3.18+0.04d=3.5 | | 2x(-6)/((-6)x2 | | 4(13x+8)=-8(x-2) | | 3.18d+0.04d=3.54d | | 96m=80m-3 | | 6sec^2(x)= | | 12a+7b=5.36 | | (3/5)x-5=-32 | | 20(-5x+14)=40(x-3) | | 2j+4s=408 | | 235.99-49.99=120 | | (12x+4y)+(17x-y)=90 | | 11+7r=45 | | 5t-24=8t | | 6(-7x-3)=11(x+3) | | 41k=-13 | | 34x+17x=408 | | -2+6x=4(13x+37)-x | | 12x+37=22 | | y-5/11=-2/9 | | -5=-27+u | | 9328938928398329x+028193890218091283y=2 | | 66=8(14+3x) | | 4b+20=3b+35 |