Which number gives us 7 if we add -4 to it?
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Which number gives us 7 if we add -4 to it?
To solve this problem, we begin by formulating it as an algebraic equation based on the information given. We are asked to find a number such that adding -4 to it yields 7. Mathematically, this can be expressed as:
which simplifies to:
We solve for by adding 4 to both sides of the equation to isolate the variable:
This results in:
Therefore, the number we are looking for is .
a is negative number.
b is negative number.
What is the sum of a+b?
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