If it's not what You are looking for type in the equation solver your own equation and let us solve it.
0.4(x+2)-0.1(3x+4)=0
We multiply parentheses
0.4x-0.3x+0.8-0.4=0
We add all the numbers together, and all the variables
0.1x+0.4=0
We move all terms containing x to the left, all other terms to the right
0.1x=-0.4
x=-0.4/0.1
x=-4
| 7y-12=33 | | 3x-4=1+5x | | x+14x-4x-28=0 | | 4x*1=38 | | (x)=3x-5 | | 10x-15=3x+55 | | 5x+11=2x-13 | | 2n/5=15/6 | | 2p+12=5p+7 | | 3-2x+8=5+4-8x | | 3d+4=9 | | 2m=112m+7=11 | | x/50=-0,02 | | X+x*x=210 | | 9-x=30 | | 3(2t-3)=2(3-2t) | | 5x+4x-13+2x=5x+12-2x+4 | | 6(2k+2)=-4(k+5) | | x*x+x*x+5=17 | | 2X2+3x=12 | | 108=9r | | 3x+×=48 | | 1/2a-12=-2(a-9) | | 81-10y=41 | | 5y-5=5y+1 | | -3r+31=2r+32 | | Y+137=15y-339 | | 5x-3=2-(6-x) | | 2x-12-3x=5-x | | 13h+41=h-49 | | -1+5x=-2x-22 | | 0,3q+4=2,1q-5 |