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Simplifying 13.125 + 20 + 22.75 + 22.125 + 20.25 + 18.375 + 17.125 + 16.75 + 16.75 + 12.25 = a Combine like terms: 13.125 + 20 = 33.125 33.125 + 22.75 + 22.125 + 20.25 + 18.375 + 17.125 + 16.75 + 16.75 + 12.25 = a Combine like terms: 33.125 + 22.75 = 55.875 55.875 + 22.125 + 20.25 + 18.375 + 17.125 + 16.75 + 16.75 + 12.25 = a Combine like terms: 55.875 + 22.125 = 78 78 + 20.25 + 18.375 + 17.125 + 16.75 + 16.75 + 12.25 = a Combine like terms: 78 + 20.25 = 98.25 98.25 + 18.375 + 17.125 + 16.75 + 16.75 + 12.25 = a Combine like terms: 98.25 + 18.375 = 116.625 116.625 + 17.125 + 16.75 + 16.75 + 12.25 = a Combine like terms: 116.625 + 17.125 = 133.75 133.75 + 16.75 + 16.75 + 12.25 = a Combine like terms: 133.75 + 16.75 = 150.5 150.5 + 16.75 + 12.25 = a Combine like terms: 150.5 + 16.75 = 167.25 167.25 + 12.25 = a Combine like terms: 167.25 + 12.25 = 179.5 179.5 = a Solving 179.5 = a Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '-1a' to each side of the equation. 179.5 + -1a = a + -1a Combine like terms: a + -1a = 0 179.5 + -1a = 0 Add '-179.5' to each side of the equation. 179.5 + -179.5 + -1a = 0 + -179.5 Combine like terms: 179.5 + -179.5 = 0.0 0.0 + -1a = 0 + -179.5 -1a = 0 + -179.5 Combine like terms: 0 + -179.5 = -179.5 -1a = -179.5 Divide each side by '-1'. a = 179.5 Simplifying a = 179.5
| 144x^2+225y^2=400 | | y^2-16y-198=0 | | 4.0=u | | 2x=6x+4x | | -16x-17=-97 | | 20=-7w+5(w+2) | | -4x+20+3=13+1 | | 17+3+(-9)= | | 4x+14=36 | | 3s+8=6 | | 3x+14-2=12x+7 | | -16x-17=97 | | x^2+10=-11 | | 4e-15=2e+15 | | -7(1+6)= | | y+3.79=8.28 | | 13+15x+16=-4+3-x | | 5x+15=18x-6 | | -5t^2+35t=0 | | .33p+7=12-.66 | | -4/5/x/2= | | 55+7x=180 | | 4x+38=142 | | 3x+9x-7=3(4x+1) | | 3x^2/12 | | a=.5(3.1+6.7)2.5 | | 24x+3+14=-7x+8 | | -3(b+2)=-2(3-6b) | | (n+s)3=27 | | 4/5/7/10= | | 12/3x^2 | | a=.5(6.7+6.7)2.5 |