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Simplifying 3(2x + -3) + -12 = 31 + -4(2x + -5) Reorder the terms: 3(-3 + 2x) + -12 = 31 + -4(2x + -5) (-3 * 3 + 2x * 3) + -12 = 31 + -4(2x + -5) (-9 + 6x) + -12 = 31 + -4(2x + -5) Reorder the terms: -9 + -12 + 6x = 31 + -4(2x + -5) Combine like terms: -9 + -12 = -21 -21 + 6x = 31 + -4(2x + -5) Reorder the terms: -21 + 6x = 31 + -4(-5 + 2x) -21 + 6x = 31 + (-5 * -4 + 2x * -4) -21 + 6x = 31 + (20 + -8x) Combine like terms: 31 + 20 = 51 -21 + 6x = 51 + -8x Solving -21 + 6x = 51 + -8x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '8x' to each side of the equation. -21 + 6x + 8x = 51 + -8x + 8x Combine like terms: 6x + 8x = 14x -21 + 14x = 51 + -8x + 8x Combine like terms: -8x + 8x = 0 -21 + 14x = 51 + 0 -21 + 14x = 51 Add '21' to each side of the equation. -21 + 21 + 14x = 51 + 21 Combine like terms: -21 + 21 = 0 0 + 14x = 51 + 21 14x = 51 + 21 Combine like terms: 51 + 21 = 72 14x = 72 Divide each side by '14'. x = 5.142857143 Simplifying x = 5.142857143
| 3x^2(-9x^8-1)= | | 8x+3-10x=2[x-2]+x | | -14.9h=-15.2h-3.66 | | R-6=45 | | 200-16q=16 | | x^2+4x-19=-2 | | 12.44-14.8q=1.39-6.3q | | -9(-4)+10(-3)=6 | | 3/4*20-5=10 | | 36=d-9-8d+1 | | 53=5-8x | | 6-z-16z=-16z-8 | | 15c=200 | | 32s+8y=480 | | x+71+x+56=105 | | -.21+6.8t-7.8t=.8+17.43 | | 7x+5(5)=-11 | | 2x^2h=4.5x^3 | | 2s+5=40 | | -(-x+8)=20 | | 18n+12.9=16n-18.9 | | x-59=5(2x+3)-2 | | y=x^4+7x^3+5x^2-35x-50 | | -15.87+12.5v=14.8v | | 9x-3+7x-1=140 | | 2/3-8/15 | | 4.5u+12.64=18.08+4.9u+1 | | (0.03)(-0.2)= | | d-3/4d^2-14d-5 | | 3x=-2+11 | | 11/13=v/9 | | -19.1c-15.89=-16.1c+5.41 |