Question

Construct an equation that has k = 9 as its solution. Use k on both sides of the equation.

Answer 1

10k ÷ 10 + 1 = k + 1

Explanation:

LHS

10k ÷ 10 + 1

10(9) ÷ 10 + 1

90 ÷ 10 + 1

10

RHS

k + 1

9 + 1

10

10k ÷ 10 + 1 = 10