If it's not what You are looking for type in the equation solver your own equation and let us solve it.
999999999999999999999999999999999999999999999999+a=1000000000000000000000000000000000000000000000000000000000000000
We move all terms to the left:
999999999999999999999999999999999999999999999999+a-(1000000000000000000000000000000000000000000000000000000000000000)=0
We add all the numbers together, and all the variables
a+63-1.0E=0
We add all the numbers together, and all the variables
a+60.281718171541=0
We move all terms containing a to the left, all other terms to the right
a=-60.281718171541
| 3x2+-5x+-1=0 | | 2x-11.2=3.8 | | m-15/8=8 | | 3h+1.50=201 | | 2x+4x+5x+15=180 | | 4q+15=71 | | -5k=-4k-5 | | 2+y=100000000000000000000000000000000000000000000 | | 4×(b-8)=52 | | Y+4=(-11/2)(x-4) | | 3h+1.50=301 | | f/9+45=53 | | 5x+2x+3x=350 | | 7z-29=z+31 | | -4(3x-11)=5(-x+2) | | 10^x=151 | | 4b-69=2b+1 | | -7(x-6)-4x-3=3(x+5)-2x | | 3=2k-11 | | m-65/7=4 | | 5v+45=10v+60 | | 19.95+3.95•c=64.40 | | 5(x+3)=(3x-4) | | 2u-68=u | | 3y=2.7 | | -1.15+0.4p=2.9p+6.85+9 | | 0=(p-1)9 | | m^2=105 | | 3a-93=2a-53 | | 9m-16✓m=0 | | 19.95+3.95•c=63.40 | | 6w-78=7w-93 |