If it's not what You are looking for type in the equation solver your own equation and let us solve it.
2aa7=42
We move all terms to the left:
2aa7-(42)=0
We move all terms containing a to the left, all other terms to the right
2aa7=42
a=42/1
a=42
| 12x+17+143=180 | | 2q+4=-18-9q | | 4x+32=7(x+5) | | 86=10+4x | | Y=25+3x+12+3 | | Y=25+3x+12+3(2x–5) | | X+y-40+180-y+40=180 | | 18=-0.2(x/7.5) | | |70x|-20=190 | | 30x+15+20x=165-50 | | 8x=0.6x^2 | | ½(-10x+4)=-4(-3+2x)+8 | | y(5y+24y)=0 | | 9g=207 | | –16s−–14s=–10 | | 14x+6=36 | | -6g-24=12 | | (5y+24)=0 | | 31/5=x/55 | | 5^3^x^+^1=25^x^+^1 | | -3x(2x+7)=-9x+7-4x | | 3j+17=j-5 | | 0.13x600=x | | (a–3)=(2a–1) | | b+17=24 | | F(x)=x²-3x+4 | | 0.13600=x | | 4(y+4)=60 | | -1-y+1=0 | | 2=1.015^6x | | 22b=66 | | k/8+39=41 |