If it's not what You are looking for type in the equation solver your own equation and let us solve it.
u-6=21
We move all terms to the left:
u-6-(21)=0
We add all the numbers together, and all the variables
u-27=0
We move all terms containing u to the left, all other terms to the right
u=27
| 2=2.50x+35 | | 4q+q−2=0 | | 4x—10=6x+12 | | 5-8x=-13x-5 | | 3k−7=5 | | 260=20(x^2) | | 27.5=4x-15 | | 6x-6=x-6 | | X-49x=100 | | 2.2=c/2-2.1 | | 1−2m=–1 | | c/0.1+11=-27.9 | | 28=y+23 | | 6(-d-5)=11d-4(-2d+20) | | 3(3x-3)-5x-4=25 | | 3a-7-3=-4 | | 9x+14-3x=5(x-6)+19 | | -3(-4m-16)=4(4+7m) | | `15d-21=564` | | -3x=5x+8= | | n/2/3=17-11 | | 3(3x+30-5x-4=25 | | -5(-z-10)-19=5(z-8) | | 1.2y=15 | | 8/9x+1=2x-9 | | 9+p=6 | | 7(-13-y)-8y=96 | | -5x-21=-6 | | -8(-2w-16)-6=7+16w | | 3^n-7-3=24 | | 4(2x+3)=11x+6-3x+6 | | 10+2+3=w |