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07-12-2020
Mathematics

contestada

What is 13a-(-4)+6-20a

Respuesta :

NgShiYin NgShiYin

07-12-2020

Answer:

10-7a

Step-by-step explanation:

Break the brackets by expanding. Two minus makes one plus.

13a-(-4)+6-20a = 13a+4+6-20a

Evaluate like terms.

13a+4+6-20a = 10-7a

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