elephantlover1288 elephantlover1288

15-02-2021
Mathematics

contestada

please help and show work

please help and show work class=

Respuesta :

15-02-2021

Answer:

first one is simnple cross multiply and divide

12*7=4x

84=4x

x=21

2nd same process but more steps

7x=5(x+8)

7x=5x+40

7x-5x=40

2x=40

x=20

Step-by-step explanation:

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