If it's not what You are looking for type in the equation solver your own equation and let us solve it.
3a+81(1-a)=10
We move all terms to the left:
3a+81(1-a)-(10)=0
We add all the numbers together, and all the variables
3a+81(-1a+1)-10=0
We multiply parentheses
3a-81a+81-10=0
We add all the numbers together, and all the variables
-78a+71=0
We move all terms containing a to the left, all other terms to the right
-78a=-71
a=-71/-78
a=71/78
| -38-29=n | | (x+1)^(2)-1=48 | | 4(3+2x)-7=7÷2x+14= | | 2-(-11)=n | | 5x+68+82=180 | | -8-(-11)=n | | -x²+2x+15=0 | | x+18=-3x-10 | | 36/5=(-18/5)y | | 35/c-1=4 | | 9=52-2x | | 9=52-x | | 6x2–726=0 | | w4−2=1 | | (6-)3x=4x(+76) | | (6x-21)+105=360 | | 2x·3=12 | | j4+10=12 | | x/2+1=5/6x+1/6 | | 2x-5/3+7=12 | | j4+ 10=12 | | 62+17x+42x=180 | | 10/3=z/10 | | x/2+1=5/6x=1/6 | | 38=y+28 | | 69+55+8x=180 | | 4h−9=3 | | n/3-n/3=7 | | 8x-5/2=4 | | 4–7=z+11 | | 8y-10+2y+5=360 | | F(6)=0.2x+0.8 |