If it's not what You are looking for type in the equation solver your own equation and let us solve it.
x*40+(1-x)*18=20
We move all terms to the left:
x*40+(1-x)*18-(20)=0
We add all the numbers together, and all the variables
x*40+(-1x+1)*18-20=0
We multiply parentheses
x*40-18x+18-20=0
Wy multiply elements
40x-18x+18-20=0
We add all the numbers together, and all the variables
22x-2=0
We move all terms containing x to the left, all other terms to the right
22x=2
x=2/22
x=1/11
| 175/121(5)=x | | (E+3)x4=16 | | 0.25(7+3m)=-0.125m. | | 2w=14/5 | | 175/121x5=x | | x*(1-x)=0.34 | | n^2+14n-55=0 | | 4x+8x+12=x | | 100/(x+15)=x | | 0=-49t^2-98t+735 | | S(t)=-49t^2-98t+735 | | 5m*7m=875 | | 9y+5=6y+32 | | 5/4v=16 | | 1/x=10/24 | | -3x+32=x+4 | | 24-3x=-14 | | 1/x-1/4=1/6 | | x/9+3=5 | | 5.6y−17=11 | | 2-3x=-7x+2 | | 129=3(x+9) | | 2{1+7n}=30 | | k4.2=3.5 | | 20f+26=-11 | | 1/3(h*6375)=170000 | | +9y=27 | | 10r-18=82 | | 7q-14=q+4 | | 20x^2-x-99=0 | | 14=t–44 | | k6.2=2.5 |