If it's not what You are looking for type in the equation solver your own equation and let us solve it.
-0.8=0.7+a/0.4
We move all terms to the left:
-0.8-(0.7+a/0.4)=0
We add all the numbers together, and all the variables
-(a/0.4+0.7)-0.8=0
We get rid of parentheses
-a/0.4-0.7-0.8=0
We multiply all the terms by the denominator
-a-(0.7)*0.4-(0.8)*0.4=0
We add all the numbers together, and all the variables
-1a-0.6=0
We move all terms containing a to the left, all other terms to the right
-a=0.6
a=0.6/-1
a=-0.6/1
| 3/6=z/63 | | 8f+7=-1+10f | | 5=7/3n+2 | | 2(x5)=80 | | -4=x+(-18) | | 2x+12-8x=3x-16-8 | | 6+10=-2y | | -6-5d=-4-6d | | 77-2h=291 | | 12x+2+13-4+12x-3=180 | | 7.n-25.4=-44.8 | | 32+x=125 | | -5t+5=7-8t+t | | 6=2-4-4x | | 3x+5x-17=31 | | 3=m3-(-7) | | 8=r/2-(-5) | | 8x+7.5=8.5 | | 10x=15.23 | | 4.5=3.5x-4 | | 8+2w=3w+5+2w | | (3+5)x-25=3x+150/30 | | 3/5c+6=-6 | | 8=r/2–5 | | 3(x+4)=10+3x | | 7h=6h−10 | | 6.28.8=18x | | 2,000=k20 | | -3.2=2.5+1.2m−3.2=2.5+1.2m | | -4+4y+24=0 | | 9h+7=87 | | (x+1)/(2x-5)=0 |