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Simplifying x + (x + 21) = 76 Reorder the terms: x + (21 + x) = 76 Remove parenthesis around (21 + x) x + 21 + x = 76 Reorder the terms: 21 + x + x = 76 Combine like terms: x + x = 2x 21 + 2x = 76 Solving 21 + 2x = 76 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-21' to each side of the equation. 21 + -21 + 2x = 76 + -21 Combine like terms: 21 + -21 = 0 0 + 2x = 76 + -21 2x = 76 + -21 Combine like terms: 76 + -21 = 55 2x = 55 Divide each side by '2'. x = 27.5 Simplifying x = 27.5
| 24y=-72 | | 7x+24+5x+56=180 | | 5x-8+2x=-3x+2 | | x-(x-21)=76 | | 3(3-v)-6v=15 | | 300x+12200=21000-250x | | -9+n=n-22 | | 8s-22=-16+7s | | 4z-3=3z+4 | | 7x=20x-7 | | x-8*4=5 | | -3x-(-3x+21)=-21 | | 3(x-4)+5=5 | | 25+8x=-15 | | 0.08n=75 | | 4(x-2)=-2+12+5x | | x+21=76 | | 10t+2(t+2)=46 | | 5x+y=84 | | 30=-5d-9 | | 100xy^2+63xy^2= | | 19+x=1999930596 | | 6n-18=4[n+2] | | -1.9(-3x-9)-0.3x= | | 0.5(y-37)=-12 | | 2(1-2)=4y+8 | | -3(-x+2)=2x-6+x | | 3*3*3=27 | | 4h-4=-8 | | 10+8=5y | | 6.4+2.1(z-2)=8.85 | | x-(x+21)=76 |