If it's not what You are looking for type in the equation solver your own equation and let us solve it.
7a-9=54
We move all terms to the left:
7a-9-(54)=0
We add all the numbers together, and all the variables
7a-63=0
We move all terms containing a to the left, all other terms to the right
7a=63
a=63/7
a=9
| x−12x+28=0 | | 3y-2y=y+6 | | 12x-54=120 | | 30+10x+50=180 | | −4+6r+8r=−4−7r | | −4+6k+8k=−4−7k | | 3a²+a²=a+6 | | x(x+10)=(x+5)(x+5) | | 8x-4x+60=360 | | 8x+4x+60=360 | | 20a-6=15a-5 | | 2/7x-x=100 | | 4x+9=91 | | 4/5x-10=58 | | 2x-6=8-5 | | 7p/10=-10 | | 5*7-2*1=10x | | 7m-9-m=3m+9 | | 4(x-9)+7=14 | | 4(x+9)+7=14 | | 4(x+9)+7x=23 | | 119+7m=210 | | 4x(x-9)+7=32 | | 2*7-3*11=-6x | | 3=(2p-5) | | 20n-102=238 | | 17=5t+29t-16t^2 | | 0.75(y+8)=-2 | | A/1+y=10 | | -3(2x-9)=3. | | 0.75y+8)=-2 | | 3/4(y+8)=-2 |