If it's not what You are looking for type in the equation solver your own equation and let us solve it.
2n+12=n+15
We move all terms to the left:
2n+12-(n+15)=0
We get rid of parentheses
2n-n-15+12=0
We add all the numbers together, and all the variables
n-3=0
We move all terms containing n to the left, all other terms to the right
n=3
| 18-2=5n | | -748=t+17 | | 21u=714 | | 72/y=4 | | 5-3^x=405 | | 1/2t-4=12 | | 11p-15=40 | | m/23=6 | | -48=-15x-3 | | 51+15m=291 | | -3p+7=25 | | -x+2=-3x-2 | | 4(-3x+18)-x+6=0 | | 2x²-52x-240=0 | | 1/3t-4=13 | | 15^(y-4)=7 | | 3p=10.5 | | -6x=39 | | -210=b+155 | | 31n-221=306 | | (1-r)^10=0 | | 40=b+4 | | 5(k-4)=-4-3k | | -3x-2=7x+9= | | d+67=79 | | (2y+2y)/2=48 | | (2x+5)^2-25=0 | | 0.03x+3825-0.09x=2055 | | 92=f+64 | | 2-5w=40 | | -3x-2=7x-9= | | 9.2/8/5=x |