Question

1).
(−13a+14b−13c)+(−13a+2b+16c)=


2).
(15xy−17xz)+(95xy−67xz)=


3).
(1.21m2−2.5mn+2n+50.5)+(−0.11m2−4.5mn+49.5)=

Answer 1

Answer:

(i) 16b + 3c

(ii) 110xy - 84xz

(iii) 1.1m² - 7mn + 2n + 100