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Simplifying 2(7 + -7(1 + -1n)) + 9n = -22 + 4(6(n + 1) + -3n) 2(7 + (1 * -7 + -1n * -7)) + 9n = -22 + 4(6(n + 1) + -3n) 2(7 + (-7 + 7n)) + 9n = -22 + 4(6(n + 1) + -3n) Combine like terms: 7 + -7 = 0 2(0 + 7n) + 9n = -22 + 4(6(n + 1) + -3n) 2(7n) + 9n = -22 + 4(6(n + 1) + -3n) Remove parenthesis around (7n) 2 * 7n + 9n = -22 + 4(6(n + 1) + -3n) Multiply 2 * 7 14n + 9n = -22 + 4(6(n + 1) + -3n) Combine like terms: 14n + 9n = 23n 23n = -22 + 4(6(n + 1) + -3n) Reorder the terms: 23n = -22 + 4(6(1 + n) + -3n) 23n = -22 + 4((1 * 6 + n * 6) + -3n) 23n = -22 + 4((6 + 6n) + -3n) Combine like terms: 6n + -3n = 3n 23n = -22 + 4(6 + 3n) 23n = -22 + (6 * 4 + 3n * 4) 23n = -22 + (24 + 12n) Combine like terms: -22 + 24 = 2 23n = 2 + 12n Solving 23n = 2 + 12n Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '-12n' to each side of the equation. 23n + -12n = 2 + 12n + -12n Combine like terms: 23n + -12n = 11n 11n = 2 + 12n + -12n Combine like terms: 12n + -12n = 0 11n = 2 + 0 11n = 2 Divide each side by '11'. n = 0.1818181818 Simplifying n = 0.1818181818
| (5a^2-5)+(5a^2-7a^3)= | | 7p-1(3p+4)=-2(2p-1)+10 | | 6x+4=-26-4x | | 0+1y=3 | | 2w+5=-2 | | 4d=30-3d | | 3f(1)=-1*-1+3 | | 3(x-2)=7z+1 | | N-10=0.833-7-0.33 | | x-5(-4x+6)= | | Z=21/8 | | (2x-3)(2x+5)-4x=12 | | 13a-6a=2a-11 | | 9y+6=24 | | 68f^5g^-3/4f^-3g^6 | | x-6/2=4 | | 0.4(6x+12)=1.2-(x-2) | | X+2x+5x=48 | | z/5-7=(2)3/4 | | 3x+-8=4x+-4 | | 2j+5=kj | | 45=0.13n+.12(n-500) | | 3/5b=9 | | 0.7z+1.9+0.1z=5.5-0.42z | | 3f(x)=-1*-1+3 | | 9-8/12=9-2/4 | | 30x-10-18x=3(4x-4)+2 | | 1/4x=-3/4 | | -7x-3=x-27 | | 24=2x(x+3) | | (1/3)(6x+3)=2x-5 | | -10=c/3-4+c/6 |