If it's not what You are looking for type in the equation solver your own equation and let us solve it.
xx8=42
We move all terms to the left:
xx8-(42)=0
We move all terms containing x to the left, all other terms to the right
xx8=42
x=42/1
x=42
| 7x-6=10x+12x= | | 4v^2+2v-7=0 | | 1/12c+23=25 | | 4x-90=x+90 | | 79-12n=4 | | 18x-20=70 | | 2x-5=8(10) | | 7x-14-3x=3x+17-3x | | 7x-14-3x=3x+17-3x* | | m–5=11 | | -49=−49=2c-292c−29 | | 9k^2-12k-8=0 | | 144=x*225 | | 1/7b=4 | | 4^{3x}=16^{x-4} | | 2(26+3w)=3(36+w) | | x/x+5=12/27 | | -7=2(x+7)+5x | | x-25=-22 | | 25=n-53 | | 20=8-2m | | -7x+30=3x-10 | | 6x+3=0+4.6 | | 14.3=8w-11.3 | | 9^(x)-16*3^(x)=-64 | | 30h=180 | | 224x+2=34 | | 1517(n−12)+n=;n=15 | | 2^2x-5=59 | | -21=8(v+3)-3v | | 4w=1/16 | | 1/2(3x+5)-10+6x=-2 |