Respuesta :

brendariobranco
The answer is -70

Steps:

1)35( a/35+20)= 18*35

2)35(a/35)+35(20)=18*35

3)35/35a+ 35(20)=18*35

4)35a/35+35(20)=18*35

5)35a/35*700=18*35

6)a+700=18*35

7)a+700=630

8)Subtract 70 both sides

9)Which gives you -70

Hope it helps :))

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