If it's not what You are looking for type in the equation solver your own equation and let us solve it.
20k+80=20k+90
We move all terms to the left:
20k+80-(20k+90)=0
We get rid of parentheses
20k-20k-90+80=0
We add all the numbers together, and all the variables
-10!=0
There is no solution for this equation
| x+27=4x-9 | | 19-4h=3 | | 0.5^x-0.25=4 | | 6x=8x-46 | | 5x+5+3x+5+90=180 | | h/3+5=7 | | 2x-69=x-8 | | a⁴+3a+20=0 | | 3(3a+2)+6=30 | | 0=4(s+78) | | (4x+3)(7-2x)=0 | | 20-2k=16 | | 5(t+8)=65 | | F(x)=4x^2-4 | | 5-5n=7-4n | | 2t+1.3=39.8 | | 11+5k=91 | | -5x+x=-7x+3 | | 92=4(j+8) | | 3x-19=2x+20 | | 32=2(c-39) | | 18x+80=28x+50 | | 14-3n=-6n-7 | | 36x+160=14x-25 | | 36x-160=14x+25 | | 36x+160=14x+25 | | 37+b=142 | | x×x+9=53 | | 1`1/6=n=7/9 | | -4x+4=6x-3 | | -1/2x+9=22x | | 34x-128=x+70 |