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Simplifying 3(3n + -3) = (7n + 2) + 7 Reorder the terms: 3(-3 + 3n) = (7n + 2) + 7 (-3 * 3 + 3n * 3) = (7n + 2) + 7 (-9 + 9n) = (7n + 2) + 7 Reorder the terms: -9 + 9n = (2 + 7n) + 7 Remove parenthesis around (2 + 7n) -9 + 9n = 2 + 7n + 7 Reorder the terms: -9 + 9n = 2 + 7 + 7n Combine like terms: 2 + 7 = 9 -9 + 9n = 9 + 7n Solving -9 + 9n = 9 + 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. -9 + 9n + -7n = 9 + 7n + -7n Combine like terms: 9n + -7n = 2n -9 + 2n = 9 + 7n + -7n Combine like terms: 7n + -7n = 0 -9 + 2n = 9 + 0 -9 + 2n = 9 Add '9' to each side of the equation. -9 + 9 + 2n = 9 + 9 Combine like terms: -9 + 9 = 0 0 + 2n = 9 + 9 2n = 9 + 9 Combine like terms: 9 + 9 = 18 2n = 18 Divide each side by '2'. n = 9 Simplifying n = 9
| n^2+10=7n | | 9x^2+21x-9=0 | | 16+(-10)= | | 2ln(5x+2)=24 | | -8+4y=1y-6+3y-2 | | -2(4+5x)-12x=-10(8+x) | | S/4+s/2+s/3=13 | | y=1.76x^2-13.32x+41.00 | | 5x+2(3-x)+1=-15 | | (5/2)x+(1/4)x=(11/4)+x | | 23x+8+6x+3y=0 | | 5-x-2=8+4x | | 3/-7-3= | | 4+x^2=36 | | 5x+2(3-x)+1=-18 | | 8(2n-3)=(7n+7)+8 | | -5/8=-3/8a | | 2(4-x)+2x=-6x-2 | | -5y-7=-4y-9 | | -5y-7=-4y-7 | | (5/4)x+(1/8)x=(9/8)+x | | 2z-9/5+3=2z | | (3/4)(x+3)=9 | | 4.49/2.725 | | 13+x=-2x-3 | | 7=5n-13 | | 5*-1(-1*2)=2*-1-x | | 32=2/3(3x-12) | | (8+10i)(5-8i)= | | 44x^5/8x^3 | | 3x=1+(-8)/x | | 3x-10x/7-6/7=5/4 |