Seudónimo Seudónimo

17-02-2021
Chemistry

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mhanifa, can you answer this question pls?

Solve for x.
1. 5(2x +15) = 55
2. 9(6x +4) = 166
3. 3(8x +20) = 356

Respuesta :

samanthasummers12013 samanthasummers12013

17-02-2021

Answer:

1. x=-2

2. x=65/27

3. x=37/3

Explanation:

Isolate x

1. Divide by 5: 2x+15=11

2x=11-15

x=-2

2. Distribute: 54x+36=166

54x=166-36

x=130/54

Simplify by dividing by 2: x=65/27

3. Distribute: 24x+60=356

24x=356-60

x=296/24

Simplify by dividing by 8: x=37/3

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