Question

Help please before tomorrow

Answer 1

all so easy,bro like

Answer 2

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