If it's not what You are looking for type in the equation solver your own equation and let us solve it.
a in (-oo:+oo)
a/10 = -6 // + 6
a/10+6 = 0
1/10*a+6 = 0 // - 6
1/10*a = -6 // : 1/10
a = -6/1/10
a = -60
a = -60
| -54-4x=x+16 | | 40x+20(1.5x)=3550 | | 9f+16=-3+52 | | 50=(3y+2) | | 7+4i-(-3-6i)= | | 6+x+2=3x-2-8 | | senx/2=0 | | 4(7x-5)=30 | | 5.4-2.7= | | 7d/4-2=-9 | | 7d/4=-2 | | 26=(6x-1) | | 10-f=3f+6 | | 5p/2=15 | | 1/x-8=5 | | log(x)=18 | | -3(-x+2)=24 | | 150=10f-70 | | 4(1-2k)=18 | | -4=t/8-19 | | 3x+3+-1+2x=11 | | X(x+2)+2x+4=3(x-2) | | 120+8m=216 | | 22-4f=-10 | | h(y)=2y-7 | | 3x-5(2-x)=22 | | 6f+5=29 | | 18=3f-3 | | 9x(8-7)= | | 2x-28+3x-30=33 | | 1/8=f/4 | | 2x+5=-10-x |