If it's not what You are looking for type in the equation solver your own equation and let us solve it.
90a=30a=
We move all terms to the left:
90a-(30a)=0
We add all the numbers together, and all the variables
60a=0
a=0/60
a=0
| -12=w-7 | | (3x)^3*(2x)^2=1.4x10^-88 | | 3(2+10)+6a=12a+6 | | 4n-2+3n+8+90=180 | | 9q-8-134=180 | | 8y-8-66=90 | | 6x−1.9=−21.1 | | 6x−1.9=−21.1. | | 5*y*y=110 | | 9r-1-55-90=180 | | 9r-1-55+90=180 | | 12×n×3=180 | | x^25+5x-3=92 | | -34=3x+6x+2 | | 2*2(0,5x–3)=8 | | 4s-8+2s=2=90=180 | | 161=-x+203 | | 2s+2+4s-8-90=180 | | 4+r=-7 | | 58=e/71 | | 4k-7+3k+6+90=180 | | 19=p-(-3) | | 5g+16=9 | | 266=19*j | | 7r+6-8r-8=180 | | -4(10+7x)=-12 | | -x+72=248 | | 7w-7+3w+7+90=180 | | 108-v=204 | | 6(6+7x)=-246 | | 18=k÷52 | | 4x-6-3x=2 |