Answer:
2x -5
Step-by-step explanation:
-3 + 2(x - 1)
Distribute
-3 +2x -2
Combine like terms
2x -5
Answer:
x+12=20
Step-by-step explanation:
"A number" is referring to x and when you subtract a negative number you are actually adding.This equals 20 so you right it as x+12=20
The answer is -3, because the negative sign is outside of the absolute value. If the problem looked like this |-3|, then the answer would be 3. To clarify, your answer is -3.