Consider the expression. – (x + 3) – 2(4x – 3)

Which procedure correctly simplifies the expression?

A.
Step 1: –x + 3 – 8x + 6

Step 2: –9x + 9

B.
Step 1: –x – 3 – 8x – 3

Step 2: –9x – 6

C.
Step 1: –x – 3 – 8x – 6

Step 2: –9x – 6

D.
Step 1: –x – 3 – 8x + 6

Step 2: –9x + 3

D

Step-by-step explanation:

Given

- (x + 3) - 2(4x - 3) ← distribute both parenthesis

step 1

= - x - 3 - 8x + 6 ← collect like terms

step 2

= - 9x + 3

the ratio of white tiles to blue tiles is 48: 16. the ratio in it's simplest form is 3: 1.

step-by-step explanation:

ratio: take the first number and add a colon next to it, then add the second number after that. make sure the ratio order matches up with the written problem!

simplest form: we can simplify the ratio 48 : 16 by dividing both terms by the greatest common factor (gcf).

the gcf of 48 and 16 is 16.

divide both terms by 16:

48 ÷ 16 = 3

16 ÷ 16 = 1

reducing to simplest form:

48 : 16 = 3 : 1

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step-by-step explanation: