The number is model 3 + (-4) on point -1.
What is the number line?
A line on which numbers are marked at intervals is used to illustrate simple numerical operations.
The given expression is;
3 + (-4)
On solving with a plus sign
3+ 4=7
7 exist in the right-hand side positive line.
On solving with a minus sign
3 - 4 = -1
7 exist in the left-hand side positive line.
Hence, the number is model 3 + (-4) on point -1.
Learn more about number lines here;
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