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)
x+(4*x)/3 = 42 // - 42
x+(4*x)/3-42 = 0
7/3*x-42 = 0 // + 42
7/3*x = 42 // : 7/3
x = 42/7/3
x = 18
x = 18
| x^2+4-3x= | | 38=(x+3) | | 6x^3+11x^2-4x-4=0 | | 2.1w+4.6=10.9w+35.2 | | 2(2c-1)-1=2c+9 | | 0=-4-2x | | 5bc^4-13bc^4= | | 13x-220=6x-10 | | 8x^2+54x-45= | | 23+3y-2=13y-14-3y | | 8/x=12/18 | | 8x*8x-4x=0 | | 35/0.12 | | 2x*2x+20x=0 | | -14=x/-3-9 | | 6x^2-5xy+1-y^2=0 | | 3/8+12=36 | | y-6=-1(x-12) | | 1x-4x=10-7x | | (4x+8)(3x-4)=0 | | 3.142+34n=95 | | 62=2L+18 | | 14p-8=22+20 | | x^2+y=20 | | 2/5w+5=6 | | 3.142+34n= | | t^3-2t^2-6t=20 | | 0.08(x-2000)=3000 | | 17-3c=4c+29 | | -3x=16-(-8) | | 2*3*3*7= | | x^2+3x=15+x |