If it's not what You are looking for type in the equation solver your own equation and let us solve it.
-7.9x+4.3x=-18
We move all terms to the left:
-7.9x+4.3x-(-18)=0
We add all the numbers together, and all the variables
-3.6x+18=0
We move all terms containing x to the left, all other terms to the right
-3.6x=-18
x=-18/-3.6
x=+5
| 2/5c+4/5c=6=c+7 | | 2=3/v+1 | | 12+4(z+3)=3z+1 | | -8w-48=5(w-7) | | -(-3x-2)=17 | | 2(m-2)=10 | | (1-0.8^x)=2x/40 | | 6/51=3/c | | 4x+15-4=37 | | 1/2x+1/5x=3 | | -5(u+3)=8u+11 | | 5x+13=x^2-1 | | 50-5x+5-4x+17-3x=180 | | t/14/9=13 | | 4v/9=16 | | 13=x2-2x+37 | | x+3/x-3+6(x-3/x+3)=5 | | 19+3(2n-14)=1 | | 1/2x.1/5x=3 | | 4y3-3y+2=0 | | 7x+26=9(x+4) | | 2(k-43)=90 | | (5x-6)+(4x+15)+(9x-8)+107=360 | | 5y-2=3•18.5+14 | | -2x-25=-75 | | 5(5z)=(5•5) | | 99=9(j+4) | | -9(t+19)=81 | | x-22=93 | | -x^2+6=10 | | 57=8-7s | | -1/2a+11/2=1/2(3-a) |