What is the value of “x” in this equation: x-5=7

x=12

Step-by-step explanation:

x-5=7

 +5  +5

(Add 5 to both sides to isolate x)

x=12

Hope this helps! Please mark brainliest :)

yes because there is exactly one y value for every x value

for function there can't be more than one value for every x value