If it's not what You are looking for type in the equation solver your own equation and let us solve it.
13=a-10
We move all terms to the left:
13-(a-10)=0
We get rid of parentheses
-a+10+13=0
We add all the numbers together, and all the variables
-1a+23=0
We move all terms containing a to the left, all other terms to the right
-a=-23
a=-23/-1
a=+23
| m-19.5=34 | | 2(5+X=3x | | (3n-5)+2n=90 | | 2x+39=3x+26 | | 14/100(x+2000)=7000 | | 7n^2=35n | | 23x-127=4x+6 | | 15+n=4n-6+6 | | (3x-9)=(3x-2) | | (3x-9)=(4x-9) | | x(3)+9=x(4)+5 | | 2x+3x=100-5x | | 26-k=19 | | 8x=6(3+X) | | 4x-8=16+8 | | 5y+3y=-3y | | (10x-20)=(7x+4) | | X÷4=x÷7+9 | | 3x=14+7 | | x(2)+19=x(3)+6 | | 1.2=w/0.14 | | f=-3.25-2 | | 2(2d-5)=10 | | -3x+7=X-7 | | -3x+-5=13 | | 1÷3x-1=2 | | 3(2x+1)=-5x5+3x | | x(8)-5=51 | | 2.7n=54 | | x(0.5)-5=0 | | a/2.5=-30 | | x(1/2)-5=0 |