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)
(3/10)*x = (1/2)*y // - (1/2)*y
(3/10)*x-((1/2)*y) = 0
(3/10)*x+(-1/2)*y = 0
3/10*x-1/2*y = 0 // + -1/2*y
3/10*x = -(-1/2*y) // : 3/10
x = (-(-1/2*y))/3/10
x = 5/3*y
x = 5/3*y
| 3f+9=2f | | 0.75(x+-2)=12 | | Xy+5xy+xy+5xy=0 | | 5x+4.4=19 | | 1200+100(7)=3230-190(7) | | cos(3.14/12) | | (9v-4)(8v+1)=0 | | 39.26+3.9k=70.46-6.1k | | 2+2=b | | 4z/9-9=0 | | 6+3ln(x)=4 | | -11=7+-x | | 30/(2*3-5)*2= | | 2(x+y)+3x= | | g=-9+3x | | 4c+36= | | 2y+3x+2x+3y=0 | | 1/3x=7/4 | | -12x+7y-2x-3y= | | 3m+13-4m+6= | | -10=x+7x-2 | | y+8x=-5 | | 12b+2b+-b+-9=-87 | | 16=-89y | | 21-2/3x=63 | | 30=6v+3(v+4) | | -6-3(6-(-3+1))= | | 2p+3t+2t+3p=0 | | 6(4c+2)-6(2c-2)= | | 16=7(w-4)+4w | | x-10+x-20=x+20 | | (x+2y^2)(3x+2y^2)=0 |