W=-15 I hope this helped.
Answer:
B.6
Step-by-step explanation:
When we add and subtract, we do it from left to right
13+ (-12) - (-5)
13+-12
13-12 = 1
1 - -5
A negative negative is a positive
1 +5
6
Answer is 7
Step by step explanation
3x+159=180
3x=180-159=21
x=7
Answer:

Step-by-step explanation:
