Question

Please please i need help i will mark u brill

Answer 1

Correct.

Explanation:

8d+54=150

Putting d=12 we get

8(12)+54=150

96+54=150

150=150

Answer 2

Explanation:

8d + 54 = 150

Putting value of D = 12 in the equation

8(12) + 54 = 150

96 + 54 = 150

150 = 150

Bringing like terms on one side

150 - 150 = 0