Respuesta :

mckenzieh657
1. Answer x=-5
You would subtract 25 from each side of the equal sign, taking 25 away from 40 and 25 away from 25, isolating the x. So you would then have -3x=15. You would then divide each side by -3, and getting x=-5
anitziacjsantos

Answer:

1. -5

2. -2

Step-by-step explanation:

1. 25-3x=40

-25        -25

-3x=15

/-3   /-3

x=-5

2. 1/3(x-10)=-4

       1/3x=-4

        x3   x3

      x-10=-12

        +10 +10

           x=-2

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