If it's not what You are looking for type in the equation solver your own equation and let us solve it.
80+30+40+x=180
We move all terms to the left:
80+30+40+x-(180)=0
We add all the numbers together, and all the variables
x-30=0
We move all terms containing x to the left, all other terms to the right
x=30
| x+15=2x-10=2x | | -(1-n)-5(n-1)=20 | | -12=−12=4n | | -2x-2=12-4x | | 8/2x=6/x | | 0.3(10x-15)=0.5(11-6x) | | 55+2x+18+4x+11=180 | | 150=2(x+9+x) | | 20+4x=14+4x | | 3(x-6)=x=16 | | 3^x=46 | | 3x-19=(-17) | | S=2πr2+2πr | | z-5=21 | | 9p+7=6p=-2+3p | | x9=4 | | 4h+h-32=8 | | x^2+10x+9=x2+10x+9= | | x+15=2x-10+2 | | 54+52+x=180 | | 7-0.20=5-0.30x | | p+4(-1)=3 | | 2/3y=41/4 | | 54.45=1x+76.45 | | −7x−5=23 | | 6x-3+9x-12+90=180 | | 4/5=0.5m | | -36-6x=-6(4+2x) | | Y-6=2(3x-4) | | a+6-2;a=-8 | | -4(x-5)-28=-10 | | y/9+4=-15 |