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12-07-2021
Mathematics

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Simplify each expression. Justify each step.

1. (12 + 8x) + 13

2. (7-7) + 12

3. (5 x m) x 7

Respuesta :

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12-07-2021

Answer:

1.(12 + 8x)+13

= (12+ 8x) +13=0

=12+8x= -13

=8x = -13 -12

= 8x = -25

x=-25/8

x=−3.125

2.(7-7)+12

0+12

=12

3.(5*m) *7

= 35m

I hope this helps.

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