<u><em>Answer: A. -14. x=-14 and -14=x. *The answer should be the negative sign.*</em></u>
Step-by-step explanation:
subtraction property of equality is subtracting the same number from both sides of an equation does not change the equation.
switch sides of an equation.
x+19=5
subtract by 19 both sides of an equation.
x+19-19=5-19
simplify.
19-5=14
x=-14 and -14=x
Hope this helps!
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Answer:

Step-by-step explanation:

Answer:
x = 142 degrees
Step-by-step explanation:
52 + 90 + x = 180
142 + x = 180
-142 -142
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x = 38
180 - 38 = 142
Hope this helped.
Answer:
10
Step-by-step explanation:
Answer:
15
Step-by-step explanation:
To solve this, divide 192 by 8:
192/9 = 24
Subtract 9 from 24:
24 - 9 = 15
Therefore, 8 times the sum of 9 and 15 is 192