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Simplifying 15x + 3 = 6x + 21 Reorder the terms: 3 + 15x = 6x + 21 Reorder the terms: 3 + 15x = 21 + 6x Solving 3 + 15x = 21 + 6x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-6x' to each side of the equation. 3 + 15x + -6x = 21 + 6x + -6x Combine like terms: 15x + -6x = 9x 3 + 9x = 21 + 6x + -6x Combine like terms: 6x + -6x = 0 3 + 9x = 21 + 0 3 + 9x = 21 Add '-3' to each side of the equation. 3 + -3 + 9x = 21 + -3 Combine like terms: 3 + -3 = 0 0 + 9x = 21 + -3 9x = 21 + -3 Combine like terms: 21 + -3 = 18 9x = 18 Divide each side by '9'. x = 2 Simplifying x = 2
| 10r+9r^2-9r^2+9r= | | 54=3n | | 2-5+5= | | a+3-7=0 | | log(6x)-log(4-x)=log(3) | | 3=6-x | | 6p-1=11 | | -5+6i=x^2 | | 3z+10=16 | | (x^4)-(5x^2)-(9)=0 | | 3x-22=x+20 | | 3x-32=22+x | | 2x^4-6x^3-3x^2+3=0 | | 4x-182=-7x+71 | | 4x+8=3y | | (.12x^2)+(1.56x)+4.81=0 | | 25y^2-30y=-9 | | (.12x^2)+1.56x+4.81=0 | | 9x+3y-4=8 | | x+16.1=38.5 | | 2x+4x=6x-2 | | 5=.25x^3-.5x^2-2.25x+4.5 | | 6a+2b=0 | | -18+6x=6+5x | | x(x+0.0075)=0.00375 | | x(x+0.0075)=0.0003 | | 3(p+1)*(p+1)=81 | | x(x+0.0075)=0.000225 | | x(x+0.0075)=0.00015 | | x(x+0.0075)=0.000075 | | -5-49= | | -33+5x=x+75 |