If it's not what You are looking for type in the equation solver your own equation and let us solve it.
4.2+3m=5.43
We move all terms to the left:
4.2+3m-(5.43)=0
We add all the numbers together, and all the variables
3m-1.23=0
We move all terms containing m to the left, all other terms to the right
3m=1.23
m=1.23/3
m=1/2.4390243902439
| 39x+71=39x+1 | | -7(-6)+10y=-8 | | 3=-2k^2+5k | | 12x9(2×-3)-15=× | | 3(p+0.75)=5.883 | | 5(2)-9y=19 | | -3x-4=2x+7 | | -2(v+8)=-4v-26 | | 210=120e-150 | | 7+14x=16x-7 | | 6x-43=2x+7 | | -4=6(y+2)-8y | | 6(2x-5)=7x+1 | | -3(x-3)=9 | | 5x-9(-1)=19 | | 50x+1,350x-52=35(40x+49) | | 3(2)^x-4=188 | | r+1.2=5.0 | | 26x+4=180 | | x-8-11=23 | | 4n2-16n-21=44 | | 0.75(148+x)=255 | | 2x+7/3=# | | 6(2x+1)-15=3(4x-3) | | d÷2=6 | | 10^x=1600 | | 2(2x+5)=9x+9-5x+1 | | 0.2(x-10)=9 | | 180-2x=80 | | x÷4=36 | | -9m-6=11m+10 | | 0.45-0.45m-9=0.9m-0.45 |