If it's not what You are looking for type in the equation solver your own equation and let us solve it.
X/0.4=2X
We move all terms to the left:
X/0.4-(2X)=0
We add all the numbers together, and all the variables
-2X+X/0.4=0
We multiply all the terms by the denominator
-2X*0.4+X=0
We add all the numbers together, and all the variables
X-2X*0.4=0
Wy multiply elements
X-0.8X=0
We add all the numbers together, and all the variables
0.2X=0
X=0/0.2
X=0
| .30x=2500 | | 11x-65=151 | | M+2n=11 | | 11x-65=209 | | 4(w^2-210+10800)=0 | | 6x+1=301 | | -11+k=-(-5+3k)+4 | | 11x-65=180 | | -2x+10=4(x-8) | | 1/2r+3/10=9/10 | | 120x+43=763 | | -33=-9(m-3)+3(8+7m) | | 3(y+7)=(y+9)-y | | 50x-26=74 | | -3g+6+2g=5 | | -6(n+4)=-31-5n | | 2-7g=-75 | | 11x-89+7x+19=120 | | 25=50n | | 40x-3=197 | | 4x^2+34x-70=0 | | (4-v)(2v+1)=0 | | 6=5(6a-9)-3(-3-4a) | | -6.05+9.7p=10.2p | | 27x^2-125=0 | | 0=x^2-107x+91 | | 30x+4=154 | | 45=5x+5 | | 18+8x=22 | | (x+10)^2-48=0 | | -7(2x-5)+12-4x-13,x=10 | | 10(t+7)=100 |