If it's not what You are looking for type in the equation solver your own equation and let us solve it.
4I+8=20
We move all terms to the left:
4I+8-(20)=0
We add all the numbers together, and all the variables
4I-12=0
We move all terms containing I to the left, all other terms to the right
4I=12
I=12/4
I=3
| 3(8x-6)=4(6x-4,5) | | 12x2-5=-6x2+3 | | 64+6=t | | 4x=88x= | | X²-15x-18000=0 | | -6x-29=5x+26 | | 8/14=n+7/14n | | 18x-3=16x+4 | | 7x1=50 | | s-4.1=185 | | s-4.1=186 | | 2r=+3 | | x2=10x+21=0 | | 3x2-2x=2x | | 5x+3x+44=180 | | 5.8=n2.1 | | Y=-3x^4 | | -7x-30=8x+15 | | x-18=5x-50 | | X+2d=12 | | -7x-39=-x-9 | | -6x+17=-9x+26 | | 81/3•y+4/5=9/10 | | 2x-4=-6x+44 | | x2+13x+15=2x+5 | | 8x-55=5x-31 | | 2y^2-12y+36=0) | | 13-7x;x=-11 | | -8x-72=-5x-48 | | F(x)=(8x2-4x+1)4 | | -7x-44=4x+33 | | x2+x+4=5x |