If it's not what You are looking for type in the equation solver your own equation and let us solve it.
-13.9+x/12.8=-13.03
We move all terms to the left:
-13.9+x/12.8-(-13.03)=0
We add all the numbers together, and all the variables
x/12.8-0.87=0
We multiply all the terms by the denominator
x-(0.87)*12.8=0
We add all the numbers together, and all the variables
x-11.136=0
We move all terms containing x to the left, all other terms to the right
x=11.136
| -1(x+7)+6=-2(x-4) | | 7a/5+12=7a/3+6 | | 5t/7+2=6t/7+18 | | 36=38-7(-1-5w) | | -8x+4x-5=25 | | 3y/8+4=7y/8+12 | | -20v-14=16-14v | | 8q+20=4q | | 12/8=m | | 3s—8=5s | | -10c-6=20-8c | | 7(y+2)=-40 | | 13x-4=152 | | 3n=4n−9 | | q=8+2q | | 5(x+2)=7(4x-x) | | -0.82=7.16-x/3.4 | | -8z+7=-7z | | (5x+4)=2(x+5) | | 3(3x+12)=5(x+8) | | -7k=-8k+6 | | 5x-3x=15-55 | | -42-6y=42 | | 7x-3=7x-3x | | 3a+24=6 | | 9x-8x-32=-14x-26 | | -13.4f-17.61=-19.46-13.9f | | x-10.58=14.24 | | 6x(2x+1=18 | | 20+3g-5g=-4g-18 | | 5x/6+5=20 | | -14u+9u+18=-15-8u |