If it's not what You are looking for type in the equation solver your own equation and let us solve it.
0.3m+.15m=13.5
We move all terms to the left:
0.3m+.15m-(13.5)=0
We add all the numbers together, and all the variables
0.45m-13.5=0
We move all terms containing m to the left, all other terms to the right
0.45m=13.5
m=13.5/0.45
m=30
| x=2*24/100 | | X/(x+2)=4/8 | | –9–15.6x=–11.1x–22.95 | | 3p–43=5p–81 | | 4+6x–3x=22 | | 3k-4=11+6 | | 2(x﹣3)=14 | | 8w(-4)=(-28) | | 56–8y=72 | | 4-3^x+8=-47 | | 4x-3^x+8=-47 | | 2(4x+6)=2x–24 | | 6x–15=-2x–7 | | -2x=1-2+3 | | 4(3x–2)=8x–5 | | 6x–3=4x–9 | | 4n+2.2=7.4 | | 5x(2x+4)=40 | | 1/2(4x-10)+x=10 | | –93=–3(w−63) | | 5.45=65/v | | 2y3-1=-2-1 | | 6x-20+3x+x=180 | | 7x+2=-5-8 | | 7u=7.84 | | x2+81=0 | | 6x-16+3x+x=180 | | 23=g−14 | | 96=−12c | | 54(x–1)= 72x–94x+7 | | 200x5=1,000 | | 3(2x+6)-2(x-)=48 |