Solve -2 + blank = 6 What number goes in the blank space?

0  Views: 518 Answers: 6 Posted: 7 years ago

8 is the correct answer.  You need 2 to get from -2 to 0 and another 6 to get to 6.
Are you familiar with the concept of a number line?

...-5     -4    -3    -2     -1    0     1    2    3    4   5   6...
*       x    x     x    x    x     x   x   x    Start at "*" and count the "X" to your answer.

8

+8 =6

You can use (x) for blank then add +2 on both sides.

-2 + x = 6

-2 + 2  + x = 6 + 2

x = 8

Using a number line start at -2 and count how many numbers to the right until you get to 6. You will count 8 numbers.

____________________________________________________________________

-10  -9  -8  -7  -6  -5  -4  -3  -2  -1  0  1  2  3  4  5  6  7  8  9  10

-2 + 8 = 6

6

8

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