If it's not what You are looking for type in the equation solver your own equation and let us solve it.
18=4+2a
We move all terms to the left:
18-(4+2a)=0
We add all the numbers together, and all the variables
-(2a+4)+18=0
We get rid of parentheses
-2a-4+18=0
We add all the numbers together, and all the variables
-2a+14=0
We move all terms containing a to the left, all other terms to the right
-2a=-14
a=-14/-2
a=+7
| X/y=9.8 | | (z/6)+(-5/8)=7/8 | | s+5.53=7.77 | | 20=2a-16+9a-8 | | 2/3b+19=39 | | 3(4x-11)=61 | | 5=-1/5x | | 33+d=6 | | 2q=6.22 | | 3(4x+8)=-38+50 | | 3x-11=x-75 | | 23/4x+11/3x=24 | | -6=6+2b | | 14=11+8wX6 | | 23-3-8x=4 | | 2(x-4)+10=2(x-6)-7 | | 4g+12=0 | | 3/5n+7=-36 | | -3/4a=-24 | | 4x-9=-5x-9 | | (8x+11)(12x-1)=70 | | c+3=5.86 | | −4−4(−2d−4)=d+4−9 | | 5+|x-1|=5 | | 14=5x+2−2x | | 5(2x+1)=9x+20 | | 6+2+x=16 | | 33+x=-17 | | 0.01x^2=5x+49=0 | | 10-5x+4x=5 | | 4x/3-7=-12 | | 7.07=s+6 |