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Simplifying 3(n + 7) = 2(n + 9) + -1n Reorder the terms: 3(7 + n) = 2(n + 9) + -1n (7 * 3 + n * 3) = 2(n + 9) + -1n (21 + 3n) = 2(n + 9) + -1n Reorder the terms: 21 + 3n = 2(9 + n) + -1n 21 + 3n = (9 * 2 + n * 2) + -1n 21 + 3n = (18 + 2n) + -1n Combine like terms: 2n + -1n = 1n 21 + 3n = 18 + 1n Solving 21 + 3n = 18 + 1n Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '-1n' to each side of the equation. 21 + 3n + -1n = 18 + 1n + -1n Combine like terms: 3n + -1n = 2n 21 + 2n = 18 + 1n + -1n Combine like terms: 1n + -1n = 0 21 + 2n = 18 + 0 21 + 2n = 18 Add '-21' to each side of the equation. 21 + -21 + 2n = 18 + -21 Combine like terms: 21 + -21 = 0 0 + 2n = 18 + -21 2n = 18 + -21 Combine like terms: 18 + -21 = -3 2n = -3 Divide each side by '2'. n = -1.5 Simplifying n = -1.5
| 4y+28/3 | | 3n-6=42 | | (8x+4)/(8-x)=o | | 5N+45=45 | | 3n+8=2n+10 | | 4x^2+18x-10= | | 9+2(7y-4)=-27 | | c=2.03w+14.61 | | 5(2n+4)-6=3(n-2)-3n | | 3(2x+9)=3 | | 2(3n-1)+4n=5(n+2)+8 | | 2(2x+9)=3 | | 1/6=N/72 | | 8n+11=7n+20 | | 7+8q=11+7q | | (1/4)/6=n/72 | | 6x-36+8=8x+16-4 | | -3(x+5)+6(2x-1)=7(x+3)-(2x+8) | | (4-i)+(8+i)= | | (4-1)+(8+5i)= | | 10x+40=12x+24 | | 4(n+2)+12=3(n+9) | | 8-7x=72-35 | | x/2.4-1.4=8.3 | | 106-6x=9x+17 | | 15x-5=7+15x | | -(+3)-(-2)+(+20)-(-8)(-11)= | | (5x-25)=(3x+9) | | (5x-25)=(3x+9) | | 3k+20=5 | | -x+7-6x=19 | | 2/3=8/n |