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*x-(5*x)+4 = 4 // - 4
7*x-(5*x)-4+4 = 0
7*x-5*x-4+4 = 0
2*x = 0 // : 2
x = 0
x = 0
| 6-4k+3k=26/5 | | 2/3m+6+1/2m=53/3 | | 3/7-2/3n-4n=-293/231 | | 3m-4/5+4m=381/5 | | 5b+3/4-b=49/44 | | 3/10+1/2n-5/6n=19/30 | | 4/33=-1/2x-x+2/3 | | -129/110=-x-6x+1/10 | | -1/7a-10+7a=26/7 | | -3/7x-1/3+x=-5/21 | | X/4-1=4 | | 2/3b+3=9 | | 3/7a-5/7=-47/49 | | 10+7t=163/10 | | 6n-3=39 | | 5t+2/5=-44/15 | | -9/10+4m=53/30 | | 6t+4/9=22/9 | | 10a/2 | | 3m+4=40 | | -7x-3=-83/9 | | 7/9-5/7w=-311/63 | | 6a/2a | | 7n-1=69 | | 1/4t-5/6=-91/120 | | -6m-3/4=21/4 | | 1/3w-7=-19/3 | | A=9 | | 3x+8=79/8 | | 6d+4/7=68/21 | | d+2/5=32/5 | | 6+1/2d=6 |