First, subtract 5 from both sides of the equation:
2(x-4) + 3x ≤ 12 -5
Then use distributed property for 2(x-4) and add 8 to each side of the equation:
2x - 8 + 3x ≤ 7
2x +3x ≤ 7+8
Now we can combine both x's:
5x ≤ 15
Finally, divide both sides by 5 to completely isolate x:
x ≤ 3
Hope this helps!