Math  /  Numbers & Operations

Question(a) 2(3)=2+2-(-3)=2+ (b) 35=3+3-5=3+

Studdy Solution

STEP 1

What is this asking? We need to figure out what numbers go in the boxes to make these subtraction problems true! Watch out! Subtracting a negative number is the same as adding a positive number, so be careful with the signs!

STEP 2

1. Solve for (a)
2. Solve for (b)

STEP 3

Alright, so we've got 2(3)2 - (-3).
Remember, subtracting a negative number is the same as adding its positive counterpart!
Think of it like this: if you take away a negative, it's like adding a positive.

STEP 4

So, 2(3)2 - (-3) becomes 2+32 + 3.

STEP 5

And 2+3=52 + 3 = 5.
So, the missing number is **3**! 2(3)=2+3=52 - (-3) = 2 + \textbf{3} = 5.

STEP 6

Now, we have 353 - 5.
We want to rewrite this subtraction as addition.
We can think of subtraction as adding the opposite.

STEP 7

So, 353 - 5 is the same as 3+(5)3 + (-5).

STEP 8

The missing number is **-5**.
We have 35=3+(-5)=23 - 5 = 3 + (\textbf{-5}) = -2.

STEP 9

(a) The missing number is **3**. (b) The missing number is **-5**.

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