If it's not what You are looking for type in the equation solver your own equation and let us solve it.
3w-10w=42
We move all terms to the left:
3w-10w-(42)=0
We add all the numbers together, and all the variables
-7w-42=0
We move all terms containing w to the left, all other terms to the right
-7w=42
w=42/-7
w=-6
| 14q-3q-7q+5q=9 | | ×+x+10=90 | | 0.3x+15.2=x-3.21 | | 11q-8q-2q=8 | | 11q−8q−2q=8 | | 5(x~3)+2x=41 | | b/3+6=83 | | 1000.q=9.2892 | | q-4*3=-2 | | z=-40 | | 6j−4j=14 | | 1x-12x=28 | | 2/40000=3x | | 2/40000=3/x | | -8-6=-5w | | 2x=3=4x-27 | | -8p+5p=-7p | | -8p+5p=-5p | | 18x+4(x-5)=3 | | 5z-4z=3 | | 7x+-14=12x+-7 | | 3/7=7/w | | 4/12=k/16 | | 17^x=42^x | | -6(-4y+4)-9y=6(y-2)-9 | | 7(u+5)=5u+49 | | -3y+41=5(y+5) | | 7^(3x-2)=34 | | 7^3x-2=34 | | 2(y+5)=-4y+34 | | 7x-19=17+x | | -2x+5(x+3)=39 |