If it's not what You are looking for type in the equation solver your own equation and let us solve it.
w in (-oo:+oo)
7*(6-6*w) = 42 // - 42
7*(6-6*w)-42 = 0
7*(6-6*w)-42 = 0
-42*w = 0
-42*w = 0
-42*w = 0 // : -42
w = 0
w = 0
| 7(3w+5)=-49 | | 12+2x-4x^2=3 | | 2xa-2a=0 | | x^4+7x^3-9=0 | | 5s^2+8s-21= | | -3y-8=2y+10 | | 2(7a+4)=36 | | 6(6+3m)=54 | | 3(-4a+8)=-120 | | 4/3x-1/3=x+7 | | 2m+3/8=5/6 | | 6(-5t+8)=138 | | 2ax-2x=0 | | 7x+2(-5x-18)=-57 | | 2+3x/2+5-x/3=23/6 | | -2(-3x-8)=40 | | 4(6m-8)=136 | | 4(3+x)=-36 | | 4(1w+7)=56 | | 4(7+7n)=-84 | | 4(-5m-1)=-104 | | 6(1t-5)=-24 | | x^4+3*x+1=0 | | 2(1)-y=8 | | 4+2x/3+2-x/5=19/15 | | 2(0)-y=8 | | 7v*2v^8x^5*3X^8= | | 6(4+d)=84 | | 3y^2+y-4= | | 4(10+n)=-8 | | 2(-1)-y=8 | | 3(6a+5)=177 |