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)
2*2*x+6*x = 40/2 // - 40/2
2*2*x+6*x-(40/2) = 0
2*2*x+6*x-20 = 0
10*x-20 = 0 // + 20
10*x = 20 // : 10
x = 20/10
x = 2
x = 2
| 5y+8+2y=22 | | h=-16x^2+40x+2 | | 2-{3+4x)=7 | | 3k+6.2=2 | | (18x^3-200xy^2)= | | 8x-8y=-80 | | -7m-21=0 | | 3z+5/3=4 | | 5(t-5)+5t=5(2t+5)-12 | | 3z+3/5=4 | | -3(3s-5)-15=-3(6s+0)-5 | | 2x+4x+x=28 | | -5n-2=-22 | | x-0.25(x)=1000 | | 2/3x*4=16/3 | | 5a+1.5=4 | | 3a+4.5=3 | | y=2(2)+5 | | 8d-9=-3d+9-5d | | 9-8x=-7 | | y=2(2)+6 | | 3n+2.5=3.4 | | 5n-1.5=3 | | 5(2)+8y=-14 | | 9-8w=1 | | 5n-3=1.5 | | 3y/5+9/5=24y+6 | | x^2-25/6x | | 3+5y=21 | | 7(3)-y=15 | | 2(3)+5y=4 | | 4(3)-y=7 |