Respuesta :

Answer:

Step-by-step explanation:

step 1

(a =5b-4)(-2a +10b = 5)​  equation

step 2

a=5b-4  solve for a

-2a+10b=5

-2(5b−4)+10b=5

8=5

step 3

8=5 simplify

step 4

8+(-8)=5+(-8)  add -8

0=-3

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