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Simplifying (n + 3) + -1(-3n + 7) = 0 Reorder the terms: (3 + n) + -1(-3n + 7) = 0 Remove parenthesis around (3 + n) 3 + n + -1(-3n + 7) = 0 Reorder the terms: 3 + n + -1(7 + -3n) = 0 3 + n + (7 * -1 + -3n * -1) = 0 3 + n + (-7 + 3n) = 0 Reorder the terms: 3 + -7 + n + 3n = 0 Combine like terms: 3 + -7 = -4 -4 + n + 3n = 0 Combine like terms: n + 3n = 4n -4 + 4n = 0 Solving -4 + 4n = 0 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + 4n = 0 + 4 Combine like terms: -4 + 4 = 0 0 + 4n = 0 + 4 4n = 0 + 4 Combine like terms: 0 + 4 = 4 4n = 4 Divide each side by '4'. n = 1 Simplifying n = 1
| 4x^4-52x^2-144=0 | | 2.95a+7.95(80-a)=80(6.50) | | (-n+(-9))-(5n+(-3))= | | 66+6*x+2=180 | | 2y+4-3y= | | (-2n+8)-(-7n+1)= | | -82.5+15t=2.7-t | | 6t+5(1-5t)= | | (-n+(-2))-(5n+3)= | | x=0.01x+2 | | 5x-x+9=36 | | -5-7-3f=-f-2f-12 | | 3f-2=12 | | 240+0.15w=382.50 | | (n+2)-(-8n+8)= | | 24=6z | | -3n+-4.2=55-11n | | -2(x-5)=4 | | 2*2-2[4(2*2-1)-2(2-3*2)-8]+4(3-2)=2(2+5)-5[2(3-2)+4] | | y-x=-7 | | 9q+10=11 | | 2a+26=4a | | (-7n+9)-(-3n+7)= | | 240w+0.15=382.50 | | 2*-15-2[4(2*-15-1)-2(2-3*-15)-8]+4(3+15)=2(-15+5)-5[2(3+15)+4] | | 132-2(2b-3)+1=1 | | 2(x+3)-4=2(x-4) | | X^2+kx-4=0 | | 3X^2=24X-18 | | -t+12+3t= | | (9n+(-6))-(2n+(-5))= | | -22=5W-2 |