Answer:
12 1/2
Step-by-step explanation:
its equal to because if you do +50-50 and keep going it will always go back to 0. Hope this helps! :D
Answer:
4+
x = 3
Step-by-step explanation:
4 +
x = 3 (subtract 4 from both sides)
x = -1 (multiply both sides by 2)
x = -2