Question

L=9m + 2n. Work out the value of L when m = 3 and n = -6

Answer 1

L= 15

Explanation:

L= 9m + 2n Given Equation

L = 9 (3) + 2 (-6) Substitute values for their variables

L= 27 + 2 (-6) Simplify multiplication

L= 27 -12 Simplify multiplication (remember a positive times a

negative is a negative)

L= 15 (Simplify)