Question

Help please before tomorrow

Answer 1

all so easy,bro like

Answer 2

$\displaystyle\tt\boxed{14}\\\\ x+2=\frac{2}{3}x+1 \ |\cdot3\\3x+6=2x+3\\3x-2x=3-6\\x=-3\\\\\\ \boxed{15}\\\\ 5(x-3)=15\\x-3=15:5\\x-3=3\\x=3+3\\x=6\\\\\\ \boxed{16}\\\\ (-3x^2+6x-9)+(-2x^2-5x+3)=-3x^2+6x-9-2x^2-5x+3=\\=-5x^2+x-6 \\\\\\ \boxed{17}\\\\ (2x+5)-(7x-8)=2x+5-7x+8=-5x+13$