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-((2*y)/2) = 2*x+6 // - 2*x+6
7*x-(2*x)-((2*y)/2)-6 = 0
7*x-2*x-y-6 = 0
5*x-y-6 = 0 // + -y-6
5*x = -(-y-6) // : 5
x = (-(-y-6))/5
x = (y+6)/5
x = (y+6)/5
| 15y-18x=3y-6 | | 14x-4y=12+4x | | 4/18-9/18 | | 12Y=-6+18x | | 18x=12+4y | | y=Ix+2I-3I | | X^2-4x-4=x^2 | | A=3(2x-1)-5(1-x) | | x+3+2=0 | | 48x-24y=24 | | 3(7g+2)/4=43.5 | | 15y^2-16x-7=0 | | x-3=2x-3 | | 6d+5=4d+17 | | 6px(-3)=198 | | 15x-12=-72 | | x*(x-1)+1=9 | | 3x+12=2(x+1) | | x*(x-1)*(x-2)*(x-3)=20 | | x^4+12x^3+50x^2+84x+45=0 | | 3x=6y-7 | | x^4-9x^2-12=0 | | 7xyz=x+y+z | | 3-5[6-7x]=3[8x-11]-4[9x-25] | | 5x+7y=87 | | 41x^2-24xy+34y^2-25=0 | | 3y=5(y-2)+2y+12 | | 6x-8=3(2x+5) | | x^3+19x^2+71x=91 | | x^3+19x^2+71x-91=0 | | 4x-2=2-5x | | x+ln(x+1)=0 |