Please solve both and answer me step by step
1.Add:
a)3xy , -2xy , -4xy and -3xy
b)a - y , 2a - 4b , 5b and a + c
Answers
Answered by
0
Answer:
a) 3xy+(-2xy)+(-4xy)+(-3xy)
=3xy-2xy-4xy-3xy
=3xy-9xy
=-6xy
Answered by
0
Answer:
(a) -6xy
Step-by-step explanation:
= 3xy+(-2xy)+(-4xy)+(-3xy)
= 3xy-2xy-4xy-3xy
( +3xy - 3xy ) cancel due to opposite sign
= - 2xy - 4xy
= -6xy
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