If it's not what You are looking for type in the equation solver your own equation and let us solve it.
159+x=180
We move all terms to the left:
159+x-(180)=0
We add all the numbers together, and all the variables
x-21=0
We move all terms containing x to the left, all other terms to the right
x=21
| 140+8x=180 | | 240-6y+y=90 | | 2n-5=5n+7 | | 213+6x+x=360 | | w(3w+7)=150 | | 310+5x=360 | | 7c=6c+11 | | 302+2x=360 | | 2x+2/16=O | | 3(4x-1)+7x=17 | | 4.9t^2+30.5t+32=0 | | 3+4x-1)+7x=17 | | -7x-60=0 | | 6=1/2w | | 35=12+m | | 8x-51=0 | | 2x+4(21)=160 | | 8x+30=30° | | 3240=x/2(2x+(x-1)-1) | | 3(x+5)+2x=10x-5(x+1) | | 3(80+2y)+y=90 | | x-5+x=61 | | 13x+2-17=11 | | 5x=12=36 | | 3(x^2+3)=4(2x+3) | | -3x+16+,5x=8 | | 2(n-8)=14n-16 | | 9x^2-48x+10=0 | | 9n-(3n-1)=2 | | -1+5x+9.7=12.7 | | 2k/5=9/15 | | 7^9x=18 |