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Simplifying (2s) + (7s + -18) = 90 Reorder the terms: (2s) + (-18 + 7s) = 90 Remove parenthesis around (-18 + 7s) (2s) + -18 + 7s = 90 Reorder the terms: -18 + (2s) + 7s = 90 Combine like terms: (2s) + 7s = 9s -18 + 9s = 90 Solving -18 + 9s = 90 Solving for variable 's'. Move all terms containing s to the left, all other terms to the right. Add '18' to each side of the equation. -18 + 18 + 9s = 90 + 18 Combine like terms: -18 + 18 = 0 0 + 9s = 90 + 18 9s = 90 + 18 Combine like terms: 90 + 18 = 108 9s = 108 Divide each side by '9'. s = 12 Simplifying s = 12
| 9x+27=(9x+2)+9 | | x^3+4x^2+6x-5=0 | | 8x^4+16x^3+125x+250=0 | | 1/4+1/8*1/9 | | 15-3j=15 | | 2x1/3 | | 9.99+1.25*11= | | -2.7x^2+30x+6.5= | | 6t+3s+4c+4t+2s+3c= | | 9.99+1.25x=11 | | -16t^2+43t+3=h | | 9.99+1.25x= | | 9.99+1.25x=1 | | 9.99+1.25*1x=23.74*1x | | x^9-10x^8-11x^7=0 | | B=xc+wc | | 15+16+7-20= | | 3x-4=12x+31 | | 9.99+1.25x=23.74x | | -x^2+5x=9 | | 9.99+1.25*1= | | 2n+5n+2=0 | | 9.99+1.25*1=23.74 | | 7+10x=102 | | 7-12y+6y+2(3y+1)=8 | | x^2+12y-160=0 | | (4t+16)+(5t-21)=330 | | 14x-62=12x | | x^3-12x^2-20x=0 | | 8x^2+7X-100=0 | | 7+6x=4x+19 | | (4t+16)+(5t-21)=340 |