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Simplifying 3 + -1(7 + -1x) + -1(x + -4) = 2(x + 3) 3 + (7 * -1 + -1x * -1) + -1(x + -4) = 2(x + 3) 3 + (-7 + 1x) + -1(x + -4) = 2(x + 3) Reorder the terms: 3 + -7 + 1x + -1(-4 + x) = 2(x + 3) 3 + -7 + 1x + (-4 * -1 + x * -1) = 2(x + 3) 3 + -7 + 1x + (4 + -1x) = 2(x + 3) Reorder the terms: 3 + -7 + 4 + 1x + -1x = 2(x + 3) Combine like terms: 3 + -7 = -4 -4 + 4 + 1x + -1x = 2(x + 3) Combine like terms: -4 + 4 = 0 0 + 1x + -1x = 2(x + 3) 1x + -1x = 2(x + 3) Combine like terms: 1x + -1x = 0 0 = 2(x + 3) Reorder the terms: 0 = 2(3 + x) 0 = (3 * 2 + x * 2) 0 = (6 + 2x) Solving 0 = 6 + 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. 0 + -2x = 6 + 2x + -2x Remove the zero: -2x = 6 + 2x + -2x Combine like terms: 2x + -2x = 0 -2x = 6 + 0 -2x = 6 Divide each side by '-2'. x = -3 Simplifying x = -3
| H(t)=16t^2-128t+286 | | -2-6x=-24 | | 4/7=-6e-5/3 | | 20*x^2-10*x+975=0 | | -2x+9=-24 | | 105=-54x | | -9=-21x | | 2x-6-x-4=15 | | 1+3x=2(x+5)-3(5-x) | | 36x=-15 | | 3secX+6=4 | | x^2+8x+13=13 | | 1.2x-2.6=2.8x | | -18x=12 | | 8-6x=12+4x | | 55=2v+15 | | 3(2x-7)=5x+7+x | | x-0.3=8 | | 8(x+5)=-4(8+x) | | -y+-3y= | | -3/8-1/6 | | 9(x+3)-14x-15=52 | | 7p+27=-18 | | 45-x/4=115 | | 4x-20=5+4x+5x | | 0=-.64x^2+24x+3 | | 9(x-3)+14x-15=52 | | 4/12x=48 | | 4/12=48 | | -5p-4p=27 | | 16=x/5=8 | | 228=-.64x^2+24x+3 |