If it's not what You are looking for type in the equation solver your own equation and let us solve it.
12+x=140
We move all terms to the left:
12+x-(140)=0
We add all the numbers together, and all the variables
x-128=0
We move all terms containing x to the left, all other terms to the right
x=128
| -2c=-6-c | | 32=42+17z | | 7k+35=7(5+k) | | 5d-5=55 | | 2x-4(x-3)=-7+5x-16 | | 3{x+2}=18 | | (−8r)=64 | | 3x+32=-32-4x | | 3d=-6+2d | | -c-7=c+7 | | 3n-5=2n+10 | | 2s+7+6s=-5+10s | | 24*18=3^×*2^y | | 3c-33=27 | | 17n-12n=15 | | 4r+10=3r | | x÷9-5=5 | | 5+8d=-8-5d | | 2(3x)=x+20 | | 15x-72x=-48x-6 | | x+x+(x/2)+1+1.5=20 | | 2x^2+2(x-2)=96 | | 2x+3(x-1)=6 | | 2=2,5x | | -2(n-7)=26 | | 3/2x1/3=1/4x-1/6 | | -3(4y+7)-(5-3y)=-8 | | -3p+5=-4p | | 17+3(10-9x)-4x=171 | | -2x-12=0,5x-14 | | 4x+8=5x-5=6x-18 | | -8x-48=2x-56 |