If it's not what You are looking for type in the equation solver your own equation and let us solve it.
9=u+12/4
We move all terms to the left:
9-(u+12/4)=0
We add all the numbers together, and all the variables
-(u+3)+9=0
We get rid of parentheses
-u-3+9=0
We add all the numbers together, and all the variables
-1u+6=0
We move all terms containing u to the left, all other terms to the right
-u=-6
u=-6/-1
u=+6
| 5x-3x+25=6x-15 | | -7/8x-3/40x+1/5x=-60x= | | x+3x+2x+1=55 | | A+(b+10)=160 | | 16.9=1.3^x | | 12x+6(2x+2)=60 | | 8⋅113p−9+10=194 | | m2−14m+48=0 | | 23x+1=110 | | 10x+1+10x-1=82 | | 2e+8=-12 | | 40-7x=5x-2x | | 11x−12−6x=3x−12 | | 40-7x=5x+7 | | 1x+6=4x-21 | | 2=2x+10+4=4x+80 | | 3x+15=10x-3 | | 7.3x−15+2.7x−8=7 | | 2/3(9x−6)=4x+10A. | | (3x+34)=6x+68 | | 19x+6=20+180 | | 23(9x−6)=4x+10A. | | 12+18-x=5x | | a-(-14)=33 | | 19x+6+20=180 | | 7x=7(7) | | −t/7=1/15 | | 2/3p=-20 | | 10-10x10=-80 | | -2(4x+12)-2x=56 | | 4−m2=104- | | 10×(100-x)+2x=3×(x+9)-28 |