If it's not what You are looking for type in the equation solver your own equation and let us solve it.
-1.9+1.2a=6.58
We move all terms to the left:
-1.9+1.2a-(6.58)=0
We add all the numbers together, and all the variables
1.2a-8.48=0
We move all terms containing a to the left, all other terms to the right
1.2a=8.48
a=8.48/1.2
a=7+0.08/1.2
| x-4x+4x=180 | | 4(2.5m-3)-3.75=2.5 | | -108=6(a-10) | | X=48-2y | | t+1/5=27/10 | | 1.5t-1=1.7=5 | | (6+-24x)=18 | | 1/3d-12=24 | | 3w-9=-4(w-3) | | 5x+19,x=7 | | -6w+15=3(w-7) | | (3x^2+4x)÷(2x+9)=5 | | 3w-9=-12w | | 4×+2y=124 | | 90+40=d | | -4(y+6)=-7y-48 | | 84=-(6x-4)+4x | | 4k-9=7k+6 | | Y=6x-2x | | Y=6x-2x^ | | 4/34=10/m | | 4x+12=15x+45 | | -(5x-5)+5=-4 | | -6z/7=-30 | | 4x+12=15x=45 | | 10=5(r+5) | | 6g−4=32 | | 8(4x+5)+5x=3 | | y/11=5/3 | | -172=4(8k-3) | | 60r=140 | | 2=-2(4+k) |