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Simplifying (y + 80) + y = 980 Reorder the terms: (80 + y) + y = 980 Remove parenthesis around (80 + y) 80 + y + y = 980 Combine like terms: y + y = 2y 80 + 2y = 980 Solving 80 + 2y = 980 Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '-80' to each side of the equation. 80 + -80 + 2y = 980 + -80 Combine like terms: 80 + -80 = 0 0 + 2y = 980 + -80 2y = 980 + -80 Combine like terms: 980 + -80 = 900 2y = 900 Divide each side by '2'. y = 450 Simplifying y = 450
| 3a/5-20=-23 | | 14=-16t^2+88t+50 | | 1/2(6n-4n3) | | -4s-3=-19 | | 4x-14=5x+6 | | 16=-3.75*-4+b | | x+3y=220000 | | 7x^2+15x-52=-16x+19 | | b=a*-4+16 | | 2.78x^2=4225 | | 2.6x^2=4225 | | 8x(2c+4)= | | (x+4)(7x-13)=-16x+19 | | 7x(-6d+5)= | | -10(s+3)=15 | | 1-10=8 | | z^2-(4-2i)z-8i=0 | | 441x^2-42x+1=0 | | (2x-4x^2)/(6x) | | 4x^2-20x+25-x^2+4x+4=0 | | 5x*6xy= | | 5(x-1)=5-2(x-3) | | 16=a*-4+b | | logx=22500 | | 16/4×x=2 | | 65*100/2 | | 5xy*5x= | | p-q=16 | | 16=4*(-4)+b | | (4x-6)*(4x+6)= | | 16=a*(-4)+b | | http://www.geteasysolution.com/3a-16=a-4 |