Answer:
126°
Step-by-step explanation:
(2x +18)° = (3x)°
2x + 18 = 3x
18 = 3x - 2x
18 = x
therefore, (3x)° = (3*18)°= (54)°
this is the answer y=−1/2x+45/2
im not sure just yet
2(5r + 8) = 10r + 16
Explanation:
Given the expression:
2(5r + 8)
Remove the parentheses
2 × 5r + 2 × 8
= 10r + 16