If it's not what You are looking for type in the equation solver your own equation and let us solve it.
-9(a-1)=27
We move all terms to the left:
-9(a-1)-(27)=0
We multiply parentheses
-9a+9-27=0
We add all the numbers together, and all the variables
-9a-18=0
We move all terms containing a to the left, all other terms to the right
-9a=18
a=18/-9
a=-2
| 2u+17=47 | | x+7+2x+6=5x-17 | | 8x-4+17x-23+3x-17=x | | 3(4+2)=20x-9x+2 | | 5(b+3)=-15-15 | | 9x-16+3x+11+7x-5=x | | 5+56=5b | | 91=5(x+7)+2x | | (8x-4)(17x-23)(3x+17)=x | | 87=11x+11 | | 5+–c=16 | | X-8a/6=3 | | d/7=−13 | | (2x−2)+(x+1)+x+(x+1)=65 | | 0.45x-15)=2.5(x+3) | | 4x+28+2x+32=180 | | n+-5/2=5 | | 1=2n-1n | | 18=-24w | | -3.5+0.2=v | | 5+12n=74 | | 5+2r=9r | | (0.4)^x=20 | | 3(1+1/9x)-2(1/3+x)-x(1/2+1/3)=1/6x | | -3x=-12-6 | | 1x+7=-+7 | | –2k+–8=8 | | (b/2-50)/7=-11 | | 23=x-12= | | y+-30=18 | | 79c=13 | | 9=g/2− –7 |