Answer:

Step-by-step explanation:

Answer:
x=180-x
2x=180
x=90
Step-by-step explanation:
Answer: The answer should be B) -3. To solve the equation you have to rewrite the equation.
Answer:
a = -15, b = -.5, c = -1
Step-by-step explanation:
1/3a = -5 --> multiply each side with 3 --> a = -15
12 - b = 12.5 --> subtract 12 from both sides --> -b = .5 --> multiply each side with -1 to get b positive --> b = -.5
.1 = -10c --> multiply each side with -10 --> c = -1
2/5 ...........................