If it's not what You are looking for type in the equation solver your own equation and let us solve it.
90+54+3x+3=180
We move all terms to the left:
90+54+3x+3-(180)=0
We add all the numbers together, and all the variables
3x-33=0
We move all terms containing x to the left, all other terms to the right
3x=33
x=33/3
x=11
| 5x-2x=7x+8-4 | | 29v=-667 | | 29c=-667 | | 30+49+8x-11=180 | | 90+54+x+19=180 | | -k^2+12k-40=-7k | | 109+43+2x-10=180 | | 19+0.85m=4(48+0.25m) | | 284=133-u | | 207-v=2 | | -y+180=10 | | x-7+4=10 | | 9.5m=-133. | | 9.5m=133. | | 15x/100=16 | | a=m-7(2.5-m) | | x+x-284=1356 | | 1/3x+2/5=-3/5 | | 5u+72=14u | | 136-3x-2=180 | | 136+3x-2=180 | | 7x+9=3-9x | | 125m-100m+33.250=35.000-150m | | w/2+6=18 | | -5+4u=23 | | 118=-w+215 | | -u+91=165 | | -3.5+x=1.5 | | y-20=3/4x-3 | | 3m-5+137=180 | | 2x+17=3x-10 | | 9x+9+7x=7x-3x |