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Simplifying x + (x + -3) = 40 Reorder the terms: x + (-3 + x) = 40 Remove parenthesis around (-3 + x) x + -3 + x = 40 Reorder the terms: -3 + x + x = 40 Combine like terms: x + x = 2x -3 + 2x = 40 Solving -3 + 2x = 40 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + 2x = 40 + 3 Combine like terms: -3 + 3 = 0 0 + 2x = 40 + 3 2x = 40 + 3 Combine like terms: 40 + 3 = 43 2x = 43 Divide each side by '2'. x = 21.5 Simplifying x = 21.5
| X^2+7=10x | | 27=3x+3x+3 | | x+(x-4)=61 | | (x+3i)(3-i)=15-yi | | x+(x-7.5)=65 | | x+(x-3)=51 | | x+(x-2.5)=49.5 | | 2y=(y-8) | | d=2+1.2h | | x+(x-3)=66.5 | | 3x+4*0=24 | | -4a^2-1=3a | | -7x-4y=-2 | | 98x^4-72x^2=0 | | x+(x-6)=57.5 | | 5x+2x-9=9 | | x+(x-2)=59.5 | | x+(x-3)=66 | | 7x-15=-30 | | x+(x-3)=54 | | x+(x-2)=55.5 | | x^2+x*5=36 | | x+(x-2)=53.5 | | x+(x-1)=58 | | x+(x-2.5)=57.5 | | x+(x-1)=61.5 | | y^6+16y^3+64y=0 | | 6p-(5py+5)=-8-2(p+12) | | x+(x-10)=57.5 | | x+(x-10)=46 | | x^2-80x-2=0 | | 32x^2=-98 |