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 = (7*x)/3 // - (7*x)/3
7-((7*x)/3) = 0
(-7/3)*x+7 = 0
7-7/3*x = 0 // - 7
-7/3*x = -7 // : -7/3
x = -7/(-7/3)
x = 3
x = 3
| 3a*5b= | | 3(4k+0)=10k-2(k-7) | | 4x^2-3x+13=9x+8 | | x/9-16=115 | | 3/14x=-5/2 | | 8-4v=56 | | x^2+6xy+y^2+32=0 | | 6a+10b= | | 20*15+10y=300 | | 50+4(x-2)=310 | | 0.5*x=3 | | 48/62 | | 20*10+10y=300 | | 4(5x+6)=-22+6 | | 1/2cos2x | | 20*5+10y=300 | | x^4-49x^2+2401=0 | | 10-(3y-5)=1-4y | | 3u+-7=-13 | | -2x+23=2x+11 | | 2x+3x-1+2x+3x-1= | | 4(k-6)=2(k+2) | | 5(3m-2)-(m-3)=13-4(-4m+5) | | 10-(2z-6)=4-3z | | 6a+3=2a-13 | | 4.4y=-88 | | -6x+56=-9-31 | | 2(-3)=76 | | 9.2y=-88 | | 0.71*x=3 | | 2n+5=(n-2)-n | | 8=2x-3y |