Answer:
6x + 3
Step-by-step explanation:
'x' and '5x' are like terms. Combining them will simplify the expression.

Hope this helps.
Answer:
x = ± 4
Step-by-step explanation:
Given
x² - 1 = 15 ( add 1 to both sides )
x² = 16 ( take the square root of both sides )
x = ±
= ± 4
Answer:
62
Step-by-step explanation:
3 x 5 = 15
3 x 2 = 6
2 x 5 = 10
15 x 2 = 30
6 x 2 = 12
10 x 2 = 20
30 + 12 + 20 = 62
Answer:
Social Security = 5600.09, Medicare = 1309.70
Step-by-step explanation: