Answer:
5
Step-by-step explanation:
HOPE IT HELPS YOU .......
Answer: Subtraction Property of Equality
<em>Step-by-step explanation:</em> The Subtraction Property of Equality tells us that
we can subtract the same quantity, or equal quantities,
from both sides of an equation.
To get from the statement 7x + 11 = 39 to 7x = 28,
we subtract 11 from both sides to get 7x = 28.
Answer:
c
Step-by-step explanation:
Since the angles add up to 180, they are supplementary.
That means that they are equal and parallel.
Answer:

Step-by-step explanation:
Given:

Distribute to remove parentheses:

For simplification and clarity, reduce all mixed numbers to simplified common fractions:

Combine like terms:

Add 6/5 to both sides, then add 9/5x to both sides:

Divide both sides by -3/5 to isolate x (recall dividing by a number is equal to multiplying by its reciprocal):

Answer:
r = 4
Step-by-step explanation:
2r = 13 + -5
2r = 8
r = 4
Hope that helps!