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Simplifying 2(7 + -7(1 + -1n)) + 7n = -34 + 6(6(n + 1) + -3n) 2(7 + (1 * -7 + -1n * -7)) + 7n = -34 + 6(6(n + 1) + -3n) 2(7 + (-7 + 7n)) + 7n = -34 + 6(6(n + 1) + -3n) Combine like terms: 7 + -7 = 0 2(0 + 7n) + 7n = -34 + 6(6(n + 1) + -3n) 2(7n) + 7n = -34 + 6(6(n + 1) + -3n) Remove parenthesis around (7n) 2 * 7n + 7n = -34 + 6(6(n + 1) + -3n) Multiply 2 * 7 14n + 7n = -34 + 6(6(n + 1) + -3n) Combine like terms: 14n + 7n = 21n 21n = -34 + 6(6(n + 1) + -3n) Reorder the terms: 21n = -34 + 6(6(1 + n) + -3n) 21n = -34 + 6((1 * 6 + n * 6) + -3n) 21n = -34 + 6((6 + 6n) + -3n) Combine like terms: 6n + -3n = 3n 21n = -34 + 6(6 + 3n) 21n = -34 + (6 * 6 + 3n * 6) 21n = -34 + (36 + 18n) Combine like terms: -34 + 36 = 2 21n = 2 + 18n Solving 21n = 2 + 18n Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '-18n' to each side of the equation. 21n + -18n = 2 + 18n + -18n Combine like terms: 21n + -18n = 3n 3n = 2 + 18n + -18n Combine like terms: 18n + -18n = 0 3n = 2 + 0 3n = 2 Divide each side by '3'. n = 0.6666666667 Simplifying n = 0.6666666667
| -3=n-3/6 | | A=B(2C-D) | | a+bifa=6andb-9 | | 9w^2+11+4=0 | | (1/5)-(8/5y)=(4/y) | | -8+8z+7-3z= | | 3x-10=16x | | -5x+(-25)=55 | | 5(x+3)-4=x-10 | | 5(x+3)-4=5x+11 | | 5(x+3)-4=5x-10 | | x^2+16x=12 | | 5(x-4)+3=5x-17 | | 1.083y^2=0 | | 2z+4=5z-14 | | 3y^2+12y-855=0 | | 4x+4(2x+6)=18x | | -4-7(-5-1)=3(7y+6)+5 | | 200+19b=44b | | 3x-20+x+50+5x+10=180 | | x^2+1-1=15 | | 804-541x=21 | | a-10-a=15 | | 5v-2=3v-10 | | y^2+24+108=0 | | 3w-2=6w+10 | | 72x^4+30x^3-150x^2=0 | | 4(7-d)=5d | | -3+(3n+2)=-3(-3n+9)+2 | | 28*7-5= | | a/7-4=0 | | X+5=2x+5x+10 |