1.(4a-7b)+(4m+6n)= _______ 2(3m+n)+(4m+6n)=_________ 3.(2a-2)+3a+7)=_________ 4(6z+4)-(3z-2)=_________
5.(5a+4) - (5a+3=________
6.(14x+8y - (23x+2y)=______
7.(5a+7b)-(3a+2b=_______
8.(2xy3)0(3xy)=_____
9.(x3)(x)8=_______
10.(a2)3=_____
11. X-2=____
12.x4 /x3=______
13.2(x-2)=_____
14.b(b+5)=_____
15.25x5 / 5x3 = _______
16.-20x2+16x- / 4 = ______​