If it's not what You are looking for type in the equation solver your own equation and let us solve it.
7x-3(2x+15=-18
We move all terms to the left:
7x-3(2x+15-(-18)=0
| 3{3-y}+1=31 | | 3{3-y}+1=31 | | 3{3-y}+1=31 | | 2=11+3{m+3} | | 0.14y=560 | | 0.14y=560 | | X=5/8×y | | 0.6x+4=0.2x+16 | | -x2-16=-7 | | Y=7n+12 | | 5x+14=9x+10 | | 10+2m=3 | | 10+2m=3 | | 5x+6=3x‐2 | | 4x-5+x+4x-5=180 | | 1.2(1.6+4.2q)=q | | x+17.35=28.75 | | 7(x−8)=17(2x+4) | | 7(x−8)=17(2x+4) | | 5^x=1/500 | | 3x-2/7+5x-8/7=11/4 | | x+5=2x-3=360 | | -4x-6x-3=3x+6+134 | | x/13=5/65 | | x+5+2x-3=180 | | 115=y+4(10-4y) | | +5r+12=51 | | 4/5z-6/5z=14/5 | | 3x-2x-1=7 | | b+104=144 | | 4x-3x=4+1 | | 8x+206=106 |