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)
(1/7)*(7*x-21) = 8*x+7*x-24 // - 8*x+7*x-24
(1/7)*(7*x-21)-(8*x)-(7*x)+24 = 0
(1/7)*(7*x-21)-8*x-7*x+24 = 0
1/7*(7*x-21)-8*x-7*x+24 = 0
1/7*(7*x-21)-8*x-7*x+24 = 0
24-7*x-7*x-3 = 0
24-14*x-3 = 0
21-14*x = 0
21-14*x = 0
21-14*x = 0 // - 21
-14*x = -21 // : -14
x = -21/(-14)
x = 3/2
x = 3/2
| 10x+4=3(3x+5) | | p^2-(p-2)(p-2)=32 | | y=(x+1)(x-3)(x+2) | | 3a+1,75=2,2 | | -5(2b+2)+(11b-2)=0 | | 2n-5=2 | | 10+4(x)=230 | | 6x^2+43-40=0 | | 4+x=-(x+6) | | 9n+4=4+36-9+8+1 | | 3x-17x=42 | | 4(x+3)+6=10x | | (4m-2n)+(-3m-4m)= | | 9n+4= | | 14x^2-3x-2=o | | 7j+1=10j-29 | | (2-2i)(4-3i)= | | (1/4w+2)+8 | | y=-5/8x-4 | | -t=80 | | 1/4w+4=-3 | | 72-3x=33x+16 | | 2(c-4)=3(c-5) | | 5-10x=165-45x | | 5w^2/2=90 | | 9d^2+25d+14=0 | | 5^2/2=90 | | Y-(-12)=y | | 5.5(-5.4)= | | y/2-3=y/4 | | 1/t=5/3 | | 9-(2x-4)=2+3x |