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)
x/7-4 = 0
1/7*x-4 = 0 // + 4
1/7*x = 4 // : 1/7
x = 4/1/7
x = 28
x = 28
| x+128=120 | | 3(9-5)+8=17 | | 6y+3(y-6)=6(y+1)-2 | | (-3)+x/-2=4 | | 14-2n=-4n | | -5(-7x+11)=225 | | x-2=-8+4x | | 16t^2-40t+25=0 | | 2x+1=8x+4 | | 2.5(2p+5)=1.4p+5 | | -2x^2+4x-2= | | 5(x+1)=5x+4 | | -19n+8=-15n-4 | | 1-5=32 | | b-1+3b=34 | | -16t^2+12t-2=0 | | 100-150-60= | | 2x^3-7x^2+3x=0 | | -2(a+3)=24 | | c(n)=19.15 | | x-6=-14-7x | | 2.5(2p+5)=1.4n+5 | | 4x-1=78 | | Y=160x+300 | | 9x-9y=18 | | X-18=-20 | | 3(5x+5)=15x+5 | | 15-5b=5(6+2b) | | 4c-2=3c+4 | | s/18=16 | | 25-12+25=4s-12 | | r-2+7=14 |