How do you solve a−4=−14?

1 Answer
Grace
Dec 11, 2016

The final answer is a = 56

Explanation:

We see that there is an a−4 on the left-hand side of the equation. To solve this equation, we must isolate the variable. So, we must get rid of the /−4. To "undo" this, we can perform the opposite operation (which in this case is multiplication). But of course, to keep the equality, we must multiply −4 to both sides. So, we get

(−4)⋅(a−4)=(−14)⋅(−4)

This simplifies to a=14⋅4=56.

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