If it's not what You are looking for type in the equation solver your own equation and let us solve it.
40+2x=0
We move all terms containing x to the left, all other terms to the right
2x=-40
x=-40/2
x=-20
| 4/3•x=52 | | t-22/3=-5/2* | | 5.231=-2.012+x | | 4h-4=h+14 | | 4x-4=4x+Y | | 15h=45.00 | | 1/3=c-4/5 | | |2x+1|=|3-5x| | | C=15.00-0.05x | | –5b=–65 | | -15.8=y-24.3* | | -1/3=c-4/5 | | 5(2x-10)=3x+7(x-2)-36 | | 7(x4)+2=7x+7 | | 10=-9+b | | 14=11+(w)/(8)*6 | | 5(0.7)^x=4(0.8)^x | | 5e+5=2e+26 | | 2080=(26,000)(0.04)t | | 20=5x-79 | | 7^2x-12=7^x | | 5(m+7)=90 | | 12a+6=-1a-8 | | b^2+5b=0* | | 9x^2+108x=0 | | 33x^2+18x=0 | | X=3y-7X-12y=20 | | .25^x+2=16 | | 3c-6=2c+5 | | 3(4x-4)-4x=4x-4 | | 90=4f+6 | | 76+2x+x=180 |