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)
7*(3*x+1) = 175 // - 175
7*(3*x+1)-175 = 0
7*(3*x+1)-175 = 0
21*x-168 = 0
21*x-168 = 0
21*x-168 = 0 // + 168
21*x = 168 // : 21
x = 168/21
x = 8
x = 8
| 3(-6-7x)=108 | | 7(-5d-9)=322 | | 2(1k+2)=4 | | 3(-5w+2)=-99 | | 2(2+5n)=94 | | 2(3m+7)=62 | | 6(-4a+9)=-42 | | 3(7t+9)=-120 | | -12x+5-5=17-5 | | 2(2+4d)=52 | | 6(2a+9)=102 | | 4(1w+7)=-20 | | 5+x/4+1 | | 4(x-3)^2/3=16 | | 7(2-7b)=-378 | | 5(-1b+7)=-15 | | 5(2k+2)=40 | | 4(6-7w)=-60 | | 4(7+5x)=88 | | x^4-8x^3+19x^2-32x+60=0 | | 4(-7+2a)=4 | | 3(-7+4x)=-93 | | 5(2+m)=-25 | | 2(-8+4m)=64 | | 3(-7k+5)=-90 | | 2(5-6a)=-122 | | -0.2=-0.8-y | | 6(6-2x)=-108 | | 2(9+3d)=60 | | f(x)=3x^2-x-2 | | 3(4d-7)=-153 | | 12x^2+4x+6=0 |