If it's not what You are looking for type in the equation solver your own equation and let us solve it.
y in (-oo:+oo)
(-6/7)*y = 42 // - 42
(-6/7)*y-42 = 0
-6/7*y-42 = 0 // + 42
-6/7*y = 42 // : -6/7
y = 42/(-6/7)
y = -49
y = -49
| (3x-4)+7=23 | | -16t^2+54t+7=0 | | 24=-12u | | 2/5x-17=-11 | | 10y+5x-5y-2x+7= | | 4b^7-4b^6-24b^5= | | lx-2l+5=3 | | u/6.25=5 | | -2y+3=4y+3 | | 72.9x+40=324x-11 | | 6u+8v-7+6u-4v+8w= | | 6.2x+11=324 | | h+55+1.93=98.70 | | 400=y*(30+y) | | 7(10+7x)=7(4x+3) | | xy+3y=8x-20 | | 2x=10-3y | | 8v^2+16v-64=0 | | 23x+12=21x+34 | | (-0.4-2)+1.3= | | x/6=7.68 | | 6u+8v-7(6u-4v+8w)= | | 6x=5x+2(x-1)-x+3 | | 3.14*4*2.25/3= | | 310/2.0=333/X | | 3.14*4= | | -5(2x-3)= | | 3(5x+4)=9 | | xy+3y=8y-20 | | x^3-17x^2+90x-140=0 | | 4a-3a=20 | | 7f-15=f+3 |