If it's not what You are looking for type in the equation solver your own equation and let us solve it.
2n=45-15
We move all terms to the left:
2n-(45-15)=0
We add all the numbers together, and all the variables
2n-30=0
We move all terms containing n to the left, all other terms to the right
2n=30
n=30/2
n=15
| 2x+5+55=200 | | X+20+2x+10=90° | | -5=-(k+9) | | 9m-2=10+6m | | 3(3y+3)-y=1 | | (4x+4)-(7x-8)/4x+5=4/3 | | h+25=52 | | 10x2+2=722 | | C=5/9x(9-32) | | (u+5)7=63 |