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)
(-4/7)*x = -28 // + 28
(-4/7)*x+28 = 0
28-4/7*x = 0 // - 28
-4/7*x = -28 // : -4/7
x = -28/(-4/7)
x = 49
x = 49
| -3+3=5(-3)+21 | | 4.3v=12.04 | | c^2=10c | | 8.2f=10.66 | | 9.53670= | | 1.7x=2.04 | | 5(25)=g | | 3(2x+1)=2x-9x | | y^2=15y | | 5*50=k | | 7(5t-4)/(2+15t)=60 | | a=4a-6 | | b^2=11b | | 3a-8=a | | 4t-2-2t+7= | | 20*50=p | | x/9-2=-4 | | 7c+7c=112 | | a+21=4a | | (x+3)x(x+9)= | | u^2=7u | | 6(1-50)=54 | | 110=-4-c-6c | | p=5*0-200 | | 2(CD-7)=25 | | -16t+128t+144=0 | | 8+9t-7=7t+37-4t | | -x+9=25 | | 2y^2-3y-35=0 | | b+6/5=10 | | 6h+4=2 | | 8/7x=16 |