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Simplifying (2n + 5) + -1(3n + 7) + (4n + -9) = 0 Reorder the terms: (5 + 2n) + -1(3n + 7) + (4n + -9) = 0 Remove parenthesis around (5 + 2n) 5 + 2n + -1(3n + 7) + (4n + -9) = 0 Reorder the terms: 5 + 2n + -1(7 + 3n) + (4n + -9) = 0 5 + 2n + (7 * -1 + 3n * -1) + (4n + -9) = 0 5 + 2n + (-7 + -3n) + (4n + -9) = 0 Reorder the terms: 5 + 2n + -7 + -3n + (-9 + 4n) = 0 Remove parenthesis around (-9 + 4n) 5 + 2n + -7 + -3n + -9 + 4n = 0 Reorder the terms: 5 + -7 + -9 + 2n + -3n + 4n = 0 Combine like terms: 5 + -7 = -2 -2 + -9 + 2n + -3n + 4n = 0 Combine like terms: -2 + -9 = -11 -11 + 2n + -3n + 4n = 0 Combine like terms: 2n + -3n = -1n -11 + -1n + 4n = 0 Combine like terms: -1n + 4n = 3n -11 + 3n = 0 Solving -11 + 3n = 0 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '11' to each side of the equation. -11 + 11 + 3n = 0 + 11 Combine like terms: -11 + 11 = 0 0 + 3n = 0 + 11 3n = 0 + 11 Combine like terms: 0 + 11 = 11 3n = 11 Divide each side by '3'. n = 3.666666667 Simplifying n = 3.666666667
| z+51+6z+80=180 | | =6n-5(n+1) | | 20x+d=5cx+3c | | -5ab+7ab+(-9ab)+ab+(-2ab)= | | 6/27=8/x | | 2/9=x/27 | | 25b^2-30b-40=0 | | 6.41x+25=41.0881+5x | | 4x^2-54=-38 | | (554.17*12*30)-(758.89*12*15)= | | 4x^2-54=-38 | | 25x^3=64x | | 2(5x-4)+1=19 | | 1+/7=-3 | | sin^2x-3sinx=4 | | x-8=(-32) | | 4(x+9)=2x+44 | | 9x^3-12x^2+4=0 | | J-42.5+15=125.95 | | 3.89x+27.23=54.46 | | 42.5-J+15=125.95 | | 7/21=x/24 | | x+3.6=5.1 | | (584.61*12*30)-(799.26*12*15)= | | 1/12x-1/12=1/8x+1/6-1/6x | | J+42.5-15=125.95 | | 8p+6q-7(8p-2q+4r)= | | 1/3=7/x | | -9-8x=-7+11 | | 81-36v+4v^2=0 | | 10y^2+17y+6= | | 7x+15y=21 |