If it's not what You are looking for type in the equation solver your own equation and let us solve it.
13.1=3b-7.1
We move all terms to the left:
13.1-(3b-7.1)=0
We get rid of parentheses
-3b+7.1+13.1=0
We add all the numbers together, and all the variables
-3b+20.2=0
We move all terms containing b to the left, all other terms to the right
-3b=-20.2
b=-20.2/-3
b=6+2.2/3
| 4x-x+6=17+4 | | 6x2-x+12=0 | | 7x-6-6x=25-12+7 | | -12x2+11x-6=0 | | 30/2m-3=6 | | c/3-10.7=-9.7 | | n+(n−1.5)=8 | | 8+6x=5x-32 | | 5x+62=18x+11 | | (3+9)(7x-4)=33 | | -8-3k/2=11-10 | | 5=2k=9 | | x^2-4x+27=0 | | -3-3x^2=5x^2+15 | | X+6+2x=120 | | -7(x+5)=7(-6-2x) | | 28-3x=22-4x | | −2={5}{2}t25t | | 4-5(3+3r)=6-32 | | -5-6(8+5x)=155 | | -7(1-3x)=-7+8x | | 3a-10=-88 | | -3(7p+5)=27-2 | | -16+x=-4x+8-4 | | 2x+3+x=-x+15 | | 4-k/3=4 | | 11+3x−7=6x+5−3x11+3x−7=6x+5−3x | | 10x=2+5x-2+4x | | 15-x=11-2x | | -(1-5p)+1=6p-5(p+8) | | -(5a+6)=2(3a+6)=2(3a+8) | | 0=-x^2+3x+3 |