If it's not what You are looking for type in the equation solver your own equation and let us solve it.
z in (-oo:+oo)
(3*z)/10-8 = -1 // + 1
(3*z)/10-8+1 = 0
3/10*z-7 = 0 // + 7
3/10*z = 7 // : 3/10
z = 7/3/10
z = 70/3
z = 70/3
| 272=3x+y-32 | | 7(u-3)+6u=5 | | 35x+150=60x | | 4(y+7)+3y=-14 | | 240=3x+y | | 4(y+7)-3y=-14 | | 272=3x+y+32 | | -20=4(x-4)-8x | | 3x+y=272 | | -3v+6(v+3)=-9 | | 12x-28=2 | | 7x-14=2(x+3) | | 2n+7=6+3n | | 10x^2-52x+60=0 | | 34=4h+6 | | 16v-5v-18=3v-14 | | 30=3t+18 | | x-1/2-2x-3/5=1 | | 12+g=13 | | 80+32x=176 | | 48=7u+6 | | 12u=8 | | 5.25-3.4=n | | -6(2t+8)=108 | | 0.25(X-100)=0.2(X-83.75) | | 5a+6b+4a+8b= | | 12x+7x=13 | | -n-10=72 | | 8=n+n | | 21+7y=42 | | 2/3(2.9)= | | X(squared)=3y |