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Simplifying 3(1 + n) = 7n (1 * 3 + n * 3) = 7n (3 + 3n) = 7n Solving 3 + 3n = 7n Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '-7n' to each side of the equation. 3 + 3n + -7n = 7n + -7n Combine like terms: 3n + -7n = -4n 3 + -4n = 7n + -7n Combine like terms: 7n + -7n = 0 3 + -4n = 0 Add '-3' to each side of the equation. 3 + -3 + -4n = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -4n = 0 + -3 -4n = 0 + -3 Combine like terms: 0 + -3 = -3 -4n = -3 Divide each side by '-4'. n = 0.75 Simplifying n = 0.75
| -5+3=5x-7 | | 5(3x-8)-5=5(x-4)+25 | | 0=x^2+x-4x | | 0=x^3+x^2-4 | | 4-2a=5-2a | | 6x-8=6(x+1) | | x*x*x-2*x-0.5=0 | | 7k^2=-9k-2 | | 0=x^3+x-4 | | 3(x+2)=9(x+10) | | 0.16(12)+0.04x=0.08(30+x) | | -5*1+-6=-11 | | 47+7x=75 | | 4x+5=2+x+1+5 | | 3x+1+x=9-4x-10 | | 1.5-q=2(3-q) | | 125.00+600.00+(6.75+1.25*3.00)*x=19.50x | | 102=52+dbc | | 6e=2e+3+2e+2 | | 2(x+4)-3=2x-1 | | 7-3n=3-4n | | 3x+4(x-2)=2-(x+8) | | -3(4+2)= | | 4x+x=7x+5 | | 2x+1-3x=6-x-5 | | -4b-4-3b=-8 | | 7i+11=4i+2 | | 1-(-6)=7 | | 3c+3=2c+9 | | 11(v+4)-3v=4(2v+2)-13 | | (13b-9)-6(2b+2)=-4 | | 125.00+600.00+(6.75+1.25*3.00)*x=2500.00 |