Answer:
x=-16
Step-by-step explanation:
Subtract 4 from both sides
x+4-4=-12-4
x = -16
To work this out, what you must do is pretty easy.
1 - Get x by itself, do thiy by doing the opposite of what it says on the left, so instead of plusing 4, minus for from -12
2- The answer is wrtien, -16
