Question

Subtract: 2(10b+4)−(b−2) .

Answer 1

WRONG

Answer 2

still wrong

Answer 3

its 19b+10

Answer 4

To start, distribute the 2 to both terms inside the parentheses:

2(10b+4) = 20b + 8

Now, distribute -1 to both terms inside the second set of parentheses:

-(b-2) = -b + 2

Now, subtract the second expression from the first:

20b + 8 - (-b + 2)

Remember that subtracting a negative is the same as adding a positive, so we can rewrite this as:

20b + 8 + b - 2

Now, combine like terms:

21b + 6

So, the simplified expression is 21b + 6.

Answer 5

I apologize for the mistake. Let's correct it.

To subtract 2(10b+4) from (b-2), we will first simplify both expressions.

2(10b+4) = 20b + 8

Now, we can subtract (20b + 8) from (b - 2):

(b - 2) - (20b + 8)

To subtract the second expression, distribute the negative sign to both terms inside the parentheses:

b - 2 - 20b - 8

Now, let's simplify the expression by combining like terms:

(b - 20b) + (-2 - 8)

Simplifying further:

-19b - 10

So, the correct subtraction of 2(10b+4) - (b-2) is -19b - 10.