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Simplifying 2(2x) + 2(2) = 40 Remove parenthesis around (2x) 2 * 2x + 2(2) = 40 Multiply 2 * 2 4x + 2(2) = 40 Multiply 2 * 2 4x + 4 = 40 Reorder the terms: 4 + 4x = 40 Solving 4 + 4x = 40 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + 4x = 40 + -4 Combine like terms: 4 + -4 = 0 0 + 4x = 40 + -4 4x = 40 + -4 Combine like terms: 40 + -4 = 36 4x = 36 Divide each side by '4'. x = 9 Simplifying x = 9
| w+3.9=7.21 | | 130=95 | | -7+1=y-3y | | -24=5r+-8 | | 5(x+5)^1/2 | | x-1/2-7=x-5/3 | | (x+5)^5/2 | | (2/5d)-(1/9d) | | (6x+30)^3/2 | | 4x+5+3x+8=180 | | 21=-7/3w | | V+2v=15 | | -3(2x-2y)=-24 | | 1/3x+1/5y=-2/3 | | Q-17=17 | | 1/3+1/3(2x-15)=31/2 | | k^2=-3 | | 2(3x+y)=14 | | w-7/3=5/3 | | -4x(x-7)=40 | | x-7/2-1=x-5/3 | | 5y+8x=6(3.14) | | 6.3=b-1.5 | | 2y(3y-4y+6)=4 | | 1/2-45x=225 | | -18=r-12 | | 5x/4-8=x/2+7 | | a^2+2=-1 | | 3x+6+5x+14=180 | | -3(x+2x-4)=8 | | 3+5=a | | (45+1/2)x=225 |