Question

URGENT PLEASE ANSWER!

Answer 1

YES

NO

YES

NO

Explanation:

`3x+7\\\\3\left(x+(7)/(3)\right)=(3)(x)+(\\ot3)\left((7)/(\\ot3)\right)=3x+7\qquad\boxed{YES}\\_{\text{used the distributive property: a(b + c) = ab + ac}}\\\\x+x+x+5+1=(x+x+x)+(5+1)=3x+6\\eq3x+7\qquad\boxed{NO}\\\\8x+3-5x+4=(8x-5x)+(3+4)=3x+7\qquad\boxed{YES}\\\\7x+3\\eq3x+7\qquad\boxed{NO}`