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Simplifying -21.5 = 6 + 5.5(x + 2.5) Reorder the terms: -21.5 = 6 + 5.5(2.5 + x) -21.5 = 6 + (2.5 * 5.5 + x * 5.5) -21.5 = 6 + (13.75 + 5.5x) Combine like terms: 6 + 13.75 = 19.75 -21.5 = 19.75 + 5.5x Solving -21.5 = 19.75 + 5.5x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-5.5x' to each side of the equation. -21.5 + -5.5x = 19.75 + 5.5x + -5.5x Combine like terms: 5.5x + -5.5x = 0.0 -21.5 + -5.5x = 19.75 + 0.0 -21.5 + -5.5x = 19.75 Add '21.5' to each side of the equation. -21.5 + 21.5 + -5.5x = 19.75 + 21.5 Combine like terms: -21.5 + 21.5 = 0.0 0.0 + -5.5x = 19.75 + 21.5 -5.5x = 19.75 + 21.5 Combine like terms: 19.75 + 21.5 = 41.25 -5.5x = 41.25 Divide each side by '-5.5'. x = -7.5 Simplifying x = -7.5
| dx=t(1+t^2)sec^2xdt | | 5.5(7d+3.5)=-30.5 | | dx=t(1+t^2)sec^2 | | 3a+2b=29 | | -30=12 | | -30x=20 | | F(x)=-10x/x^2-4 | | 3x+3y+2z=-1 | | 20.5-4h=2.5(6.5h+9) | | 6x-x-5y-2y= | | 850+45x=470+40x | | 126=4x-x | | 2(x+10)=4(x-15) | | 42p=-180 | | -2.5b+9-9.5=17.5 | | 4-49*x^2=0 | | =18h+11-6h | | 20(52*5.9*4.2*0.213)= | | -9.5(4+7a)=22.5 | | 2(2*2)= | | (x-2)(x+3)(3x+5)=0 | | 2c+5-25.5c=-25.5 | | 7m+4=3 | | 3(x-4)=2+x | | 3x+2+x+4=18 | | y=Asinx | | -4.5(3n-5)=26.5+8n | | w^2+2w=-10+6k-k^2 | | 4a(a-3)=0 | | -3+3.5(1-8.5v)=16.5 | | 5(r+1)-[2(3-2r)-3(3-r)]=2(r+5)-4 | | 6/z=42/49 |