If it's not what You are looking for type in the equation solver your own equation and let us solve it.
5n=7+8=
We move all terms to the left:
5n-(7+8)=0
We add all the numbers together, and all the variables
5n-15=0
We move all terms containing n to the left, all other terms to the right
5n=15
n=15/5
n=3
| 7a-5a+2a-3a=14 | | 120x+15=180 | | 3(y-3)+12=3y+5 | | 4x+5=2x+201. | | 4x-7=1-2x | | 12+2x=2(x+6) | | p/7-20=21 | | 7m-12m+3m-1m=9 | | s+25/6=6 | | 10t=220 | | 11(p+3)+5=10 | | 6=-10+4u | | -4(x-3)=-6+(-4x) | | 2m+11=4m111 | | 3.87+f=16.87 | | r-168=22 | | 7x+8-4×=36-5 | | 4-3y=-8+5y | | 5(k-69)=90 | | -x-3=15+(-4x) | | 3x2+18x+20=0 | | 7×2x=29 | | a/2-1=1 | | 11=14-3c | | k+28/8=-2 | | j-18=15 | | 2(x-2)+3(x+1)=-(x-3) | | 12(w-2)=5 | | 9s-4s+2s=7 | | 24−4(w+1)=−24 | | 6=4y+-6 | | q-96/2=1 |