If it's not what You are looking for type in the equation solver your own equation and let us solve it.
21+18a=35+18a
We move all terms to the left:
21+18a-(35+18a)=0
We add all the numbers together, and all the variables
18a-(18a+35)+21=0
We get rid of parentheses
18a-18a-35+21=0
We add all the numbers together, and all the variables
-14!=0
There is no solution for this equation
| Y-(-1)=3x-12 | | (4/49)^3/2=(2/7)^x | | 21a+18=35a+18 | | 129+x+4x-29+x+25+x+25=360 | | 4c−3c=9 | | (70)+(x+60)=180 | | 12(v+9)+5=-15 | | 3X-13+2x+6=90 | | (4x+5)+(3x+6)=4x(5+3x)+6 | | 1/2x+6/4=3/4 | | (3x+4)=(8x+11) | | |x|-9=7 | | 3(1+15n)-17n=-36 | | -9.8p-3.58=8.38-4.1p+6.85 | | x+39+3x-22+123=360 | | 0.4x-8=0.2x-3 | | 4(y-3=-11 | | -9=-2t-t | | -5(-9+4x)=-155 | | 34x-95=42x-31 | | 12x-89=2x+91 | | 13-m=-8+2(-4+m) | | 149+2x-50+x=360 | | -19n+20=-5-17n-15 | | -5(4x-2)+2x+1=−151 | | H=-4.9t^2+20t+4 | | 1/3+2/x-1=4 | | n=6+7 | | 3v-2=4v+3 | | -5-1=-2x+14 | | 2(2x+4)=7x+4-3x+4 | | 3x+14=3*(x+4)+2 |