Answered

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Write an equivalent expression that uses only addition.

20−9+8−7

Sagot :

Yayla345

Answer:

2+1+3+2+1+3

Step-by-step explanation:

:)

Wxlfie

Answer:

20 + -9 + 8 + -7

Step-by-step explanation:

A epression DOES NOT have a equal sign,  =

20-9+8-7 = 12

20 + -9 + 8 + -7

to check -->

20 +-9 + 8 + -7

20 + -9 = 20 - 9 = 11

11 + 8 = 19

19 + -7 = 19 - 7 = 12

So therefor it would be

20 + -9 + 8 + -7

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