Math, asked by 450957, 8 months ago

simplify a) 3a+7-12-5a........... b)9y+6z-9y+5z

Answers

Answered by ayushilohani8

5

Answer:

a) -2a-5

b) 11z

Step-by-step explanation:

a)3a+7-12-5a

3a-5a+7-12

-2a-5

b)9y+6z-9y+5z

9y-9y+6z+5z

11z

HOPE IT HELPS.........

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