If it's not what You are looking for type in the equation solver your own equation and let us solve it.
4+u=30
We move all terms to the left:
4+u-(30)=0
We add all the numbers together, and all the variables
u-26=0
We move all terms containing u to the left, all other terms to the right
u=26
| 10+8x÷3x=-4 | | –13h=52 | | 4+3z=9-6z+13 | | 17-3(x+4)=18(x+2)-7 | | 2(y)=-5+2y | | 12x^2-15x=19 | | 1/5(10-15x)+3=4 | | 3x^2=3072 | | x^2+80=-1 | | 17=4s+1 | | 4(x+5)=9+4x-34 | | 2^x+6^x=9^x | | 43=-5x+13 | | 9x−2=43 | | 12-6x=-8x+7+7x | | 0.7(3x−5)+3.9x=14.5 | | x=–5;(–3,–20) | | -1/3=w-2/3 | | 22=15-(14x) | | -5k-7k=-19 | | 9/4x-1=3x | | 10^7x-2=4 | | 8b-15=4b+13/2 | | 13x=-18 | | 12x²=24 | | 0=3x^2-4x-11 | | 2(x-10)=24x-12 | | 3a+17=38 | | -28z-81=z+789 | | 2y−y=12 | | d-348=9d-20 | | 8x+33+2x+45+3x+15=180 |