If it's not what You are looking for type in the equation solver your own equation and let us solve it.
x in (-oo:+oo)
12-(2*(1/28)*x) = 6-((1/28)*x) // - 6-((1/28)*x)
(1/28)*x-(2*(1/28)*x)-6+12 = 0
(-1/14)*x+(1/28)*x-6+12 = 0
6-1/28*x = 0 // - 6
-1/28*x = -6 // : -1/28
x = -6/(-1/28)
x = 168
x = 168
| 2^-2/2^-4 | | -5(5x-6)=-22-x | | (4m)(9k)(5n)= | | -7(-5x+7)=-14 | | 3x^2-68x+12=0 | | -8/3/3-7/12(-8/3)=2/3 | | (80-x)/x=0.33 | | 94=6b-4(-1-3b) | | -3/4(-x+8)=1/2(6x-5) | | 3x-48=5x+8 | | 2/3a-3/4=-3/4a | | 8r-9=r+25 | | (4x^2-x+4)+(5x+2x^2+2)=0 | | 6(3+a)=66 | | 170=-10x-7x | | 9/5z+5/3=7/3 | | e7x/8 | | 16(t+6)=-4 | | 9/5z+5/3 | | 7x+16=128 | | 12=4/3r | | 6a-3(5+2a)=15 | | -X/2=8 | | y-(6)=1/5(x-(3)) | | (2x+36)-(4x+3)= | | 8(c-9)=6(c-12)-4c | | 4x-3(2x-1)=-17 | | 5x+1-2x-2x=6 | | -3/(-5)=2/(-5)+1 | | 5x+15=51 | | 4=2(m-5) | | -128=16x |