Step-by-step explanation:
let's do all the calculations and simplify as much as possible, and then we will see :
4(x + 3) - 10 = 3(x + 6) + x
4x + 4×3 - 10 = 3x + 3×6 + x
4x + 12 - 10 = 4x + 18
4x + 2 = 4x + 18
2 = 18
no, this is actuality never true, for any value of x.
2 is never equal to 18.