If it's not what You are looking for type in the equation solver your own equation and let us solve it.
21+125=x
We move all terms to the left:
21+125-(x)=0
We add all the numbers together, and all the variables
-1x+146=0
We move all terms containing x to the left, all other terms to the right
-x=-146
x=-146/-1
x=+146
| 37+x=93 | | 37+93=x | | x2+(7-x)2=25 | | x2+87-x)2=25 | | 37+56=x | | 23+22=x | | x/30+x/50=8x/150 | | 85+x=152 | | X=8y-36 | | 45v^2-5v=0 | | 85+x=150 | | 7x+33=54+4 | | 2x+11=5x+6 | | 77-3x=4x | | 2n=n+7 | | D^2+6d+13=0 | | 6s=2s+16 | | 3x-2+5x-6+3=180 | | 3x+4(-6-1)=17 | | 2x-1+11+7=180 | | 180-51=3x+17 | | 2a+5=3a=4 | | 2/3+-n+6=3/4 | | (3a)/5-1/6=0 | | 3a/5=1/6 | | X+18=;x-5 | | 3/5a-1/6=0 | | 19x−3=7−6x | | 2×n+7=4n+8 | | X³-2x-5=0 | | 3x^2+7x-17=0 | | 42=25m |