Answer: the expression 3-8 divided by 2 + -15-2 times 9 simplifies to -34.
step by step
AI-generated answer
To solve the expression 3-8 divided by 2 + -15-2 times 9, we need to follow the order of operations (PEMDAS/BODMAS).
Step 1: Solve any operations inside parentheses or brackets (none in this case).
Step 2: Solve any exponents or powers (none in this case).
Step 3: Perform any multiplication or division from left to right.
Step 4: Perform any addition or subtraction from left to right.
Let's break down the expression step by step:
1. 3-8 divided by 2
We start with the division since it appears before the subtraction.
8 divided by 2 equals 4.
Therefore, the expression becomes 3-4.
2. -15-2 times 9
We start with the multiplication since it appears before the subtraction.
-2 times 9 equals -18.
Therefore, the expression becomes -15-18.
Now we have: 3-4 + (-15) - 18.
3. Perform the subtraction and addition from left to right.
3 - 4 equals -1.
-1 + (-15) equals -16.
-16 - 18 equals -34.
Therefore, the expression 3-8 divided by 2 + -15-2 times 9 simplifies to -34.