If it's not what You are looking for type in the equation solver your own equation and let us solve it.
0.4n+2.5=3.74
We move all terms to the left:
0.4n+2.5-(3.74)=0
We add all the numbers together, and all the variables
0.4n-1.24=0
We move all terms containing n to the left, all other terms to the right
0.4n=1.24
n=1.24/0.4
n=3+0.04/0.4
| X+35=(3x+1) | | 8x+16+24=4 | | 3(r-5)-4r=3(r-5)-4r | | 7n^2+7=-n | | 90+63+(4x+3)=180 | | h-3.7=1.2 | | (y/12-5=11) | | 0=14−x+6x−9 | | 5(2i+10)=40 | | 3m+7=3m+1 | | X-15+x+x+15=180 | | 2x(x–4)=5 | | 2x+(-2x+7)=-3 | | h2−9=0 | | 12/6=n/27 | | -4u-6=2(u+6) | | 3x-9=@80 | | 5n+4=9n+12 | | 12a^2+5=-7a | | 4x+7/8=2/3 | | 10(3)+5=y | | 8(x-7)=4x-16 | | 2x19=38 | | t2=144 | | 12x^2-32+2x=0 | | (2x+11)+90+0=180 | | 5q+5(–9q+10)=–6(7q−8) | | 3c+5/6=-2 | | -3x^2+11=38 | | 75+(3x+5)+58=180 | | 3x+112=-55 | | (3x+2)3=24 |