Question

2z-15 (1-2z)=72

8c-(3-7c)=9c+2

1-8(3-2y)=2 (1-y)

(х²-х)×2х

(м³ +3 м )×х²

Answer 1

2z-15 (1-2z)=7

z=87/32дробь

8c-(3-7c)=9c+2

c=5/6дробь

1-8(3-2y)=2 (1-y)

y=25/18дробь

(х²-х)×2х

2х3-2x2

(м³ +3 м )×х²

m3X2+3mX2