Hi,
WORK:

Multiply both sides of equation by 3.

Distribute one half thought parenthesis.

Multiply both sides of equation by 2.

Move r variable to left side and change its sign.

Collect the like terms.

Result:

Hope this helps.
r3t40
Answer:
H I am pretty sure u worked it out h I think
The best approximation of the square root of 51 is 7.1
Answer:
9x+1
Step-by-step explanation:
combine like terms
2x+1+7x
9x+1
Answer:
BC < AC < AB
Step-by-step explanation:
In triangle smallest has the smallest opposite side and so on
first find ∠A = 180 - 59 - 79
= 42
∠A < ∠B < ∠C
Then ∠A opposite side is BC is less
so BC < AC < AB