If it's not what You are looking for type in the equation solver your own equation and let us solve it.
180-(5*31)+(4*31)-9+40=x
We move all terms to the left:
180-(5*31)+(4*31)-9+40-(x)=0
We add all the numbers together, and all the variables
-x+180-9+40-155+124=0
We add all the numbers together, and all the variables
-1x+180=0
We move all terms containing x to the left, all other terms to the right
-x=-180
x=-180/-1
x=+180
| 6+8x=2x+18 | | 3x+(2x+22)+(5x-14)=180 | | -1/12m+1/12=3/4 | | 7+6(1+4e)=7+6(1+4e)= | | 17+x+48=90 | | 1a+2a-5a=3a | | 5-x(x+8)2=x-4 | | 90+(2x+25)+(3x-5)=180 | | 0.6n-0.9=-0.2-2.3 | | -3(4y-5)=7(-5-2y) | | 9(x-3)+3x=5(x+2)+62 | | X–(2–x)=3(x+1)+x | | 2x+51=7x+46 | | 0.6n-0.9=-0.2-(-2.3) | | 12k-k=-11 | | 9(2d-7)=11(d-14) | | -5+7(1-8m)=-278 | | 90+3x+(2x-15)=180 | | c-c+6c+3=15 | | 2z^2-6z+11=0 | | 16g-5g-8g-2g=8 | | 2x+1)=3(x–1)-2(x–3) | | 7(-2x+4)=-10x | | 6j+4j+j-2j-5j=20 | | x+34=2x+14 | | 5x-7=4x+22 | | -210=5(6+6n) | | 7z-5z+5z-6z=13 | | 6x-4x+7=3 | | 312/x=12 | | 5/6x-18=42 | | 3n-2(n-1)=6 |