Question

Simplfy-2[9-(x+7)] answer this question please

Answer 1

Answer: 2x-4

Step-by-step explanation:

Apply the distributive property.

−

2

(

9

−

x

−

1

⋅

7

)

Multiply  

−

1

 by  

7

.

−

2

(

9

−

x

−

7

)

Simplify by multiplying through.

Subtract  

7

from  

9

.

−

2

(

−

x

+

2

)

Apply the distributive property.

−

2

(

−

x

)

−

2

⋅

2

Multiply  

−

1

by  

−

2

.

2

x

−

2

⋅

2

Multiply  

−

2

by  

2

.

2

x

−

4