Answer:
Step-by-step explanation:
a + 8s + 10s = a + 18s
Like terms have same variable with same power. Combine like terms.
Answer:
1
Step-by-step explanation:
3(x + 3) = 12
Multiply 3 by both numbers in the parentheses.
3x + 9 = 12
Subtract 9 from both sides of the equation.
3x = 3
Divide 3 from both sides of the equation.
x = 1
Answer:
Recursive Formula: f(1) = 10, f(n) = f(n − 1) + 7 for n ≥ 2.
Explicit Formula: f(n)= 10+7(n-)
Step-by-step explanation:
Recursive Formula: f(1) = first term, f(n) = f(n − 1) + d for n ≥ 2.
Explicit Formula: f(n)= f(1)+d(n-1)
