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Simplifying 12x + 15 + 6x = 69 Reorder the terms: 15 + 12x + 6x = 69 Combine like terms: 12x + 6x = 18x 15 + 18x = 69 Solving 15 + 18x = 69 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-15' to each side of the equation. 15 + -15 + 18x = 69 + -15 Combine like terms: 15 + -15 = 0 0 + 18x = 69 + -15 18x = 69 + -15 Combine like terms: 69 + -15 = 54 18x = 54 Divide each side by '18'. x = 3 Simplifying x = 3
| 3x^3+18x=0 | | 6-3x=5x-10x-6 | | -(3x)+6=2x+1 | | 27-12x+32=11 | | x-4+x+4=2(x+6)-3(x-7) | | 66-3x=5x-10x-6 | | x=921.54+y | | 15y-15/3y^2+9y-12 | | 4x+x=10+7x | | 2-3x=20+6x | | x-y=921.54 | | (3w+8)(5+w)=0 | | 3k+72-33k=0 | | 36=x+4+3x+5+5x | | 2x+8=2(x-4) | | 27-7x=12+8x | | -25-2x=11-8 | | 6-7x=5x-9x+9 | | 2(x-1)=4x/3 | | 6-9x=6x-10x-14 | | 6x+8+8x-6=180 | | 11=3-7 | | 6x+5x-68=51-6x | | 4/5+1/3x=3/5 | | 9m=4m | | (3-71)/(2-5i) | | 11x-7=4(3x-4) | | 5(4-x)=5x | | 4n-8=36 | | 20x-10=10x+12 | | 20x-10+10x+12=180 | | 12x^2-7x+20=0 |