vences7 vences7

15-12-2020
Mathematics

contestada

4(a+3) - 7 = 6a -21 aaaaaaaaaaaaaaaaaa

Respuesta :

lamb35la lamb35la

15-12-2020

Answer:

a=13

Step-by-step explanation:

4a+12-7=6a-21

combine like terms

4a+5=6a-21

sub 4a from each side

5=2a-21

add 21 to each side

26=2a

divide each side by 2

a=13

Answer Link

mlewis0033 mlewis0033

26-01-2021

Answer:

:)

Step-by-step explanation:

a=13

Answer Link

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