If it's not what You are looking for type in the equation solver your own equation and let us solve it.
42=7(z=3)
We move all terms to the left:
42-(7(z)=0
| 2e+4e=15 | | b(20)+2b(15)=220 | | 128=9x-5x+32 | | 2(3w+4)=38 | | b(.20)+2b(.15)=2.20 | | -3(6-5b)=6b+36 | | 8/9=4/3x | | 3p3=21p | | -5x-1.5=1.8 | | 3y+30=7y-10 | | 2x+1/x-1=3/5 | | 2x+42=11x-18 | | y/4-6=2y-20 | | (y+1)=0 | | 6=4(x-4)+4 | | x2+10x+8=x | | 6(x+2)-x=4(x-4)+4 | | 14=n/5+6 | | –7p–9=–3+3(p–2) | | 2/7y+5=(-9) | | 8x-17=9x-9 | | 2x+(x-5)=1 | | (y+8)(y+29)=0 | | -5x-2=-x+18 | | 7v+15=4v+33 | | 2x+x-5=1 | | 18.2+2y=6y+7 | | 2+(3x+1)=5x+7 | | 4w+1=8w+17 | | 4/6x-3/6=2/6+5/6x | | 3×(x-6)=2×(x-7) | | 3u+20=7u-12 |