If it's not what You are looking for type in the equation solver your own equation and let us solve it.
2x+5.4=13.8
We move all terms to the left:
2x+5.4-(13.8)=0
We add all the numbers together, and all the variables
2x-8.4=0
We move all terms containing x to the left, all other terms to the right
2x=8.4
x=8.4/2
x=4+0.4/2
| 480=3q | | 115=x-30 | | 20+2c=15 | | 45+5x-45=180 | | 2x+14+10=x+19 | | t+17=19 | | 5x/11=3x+10 | | 4x-5=-2(-2x+1) | | 45=-4n-3 | | x3−2(3x+0.8)=1.5(10−2x)+x | | 2(2u+7)=62 | | 5x+2(1x+1)=23 | | 2n2+7n+9=0 | | 7x=-x^2+8x | | 301=7v | | -5t=-225 | | -69=-10x+1 | | 7/4=n3/2. | | 2.1g=−6.8 | | 80=20a | | -2=n/8 | | 2x-13+4x=-2x+9x-15 | | 24v=576 | | 7=-x^2+8x | | 16-2p=-2(-8+1) | | 3(4x-2)+x=13x-6 | | 4(x+3)^2-11=89 | | g-98=-45 | | 24-13+4x=-2x+9x-15 | | 5*3x=3x*5 | | |d+5|=12 | | -6x=5(x-1)-1x |