Question

Find x when y = 5 in the literal equation 4x + 7y = 51.

Answer 1

4x + 7y = 51.
4x + 7(5) = 51
4x + 35 = 51
4x = 51 - 35
4x = 16
x = 16/4
= 4

Answer 2

THANXX

Answer 3

you are welcome

Answer 4

can u help me with something els

Answer 5

Valerie is ordering salads and drinks for her friends. Salads cost $7 each, drinks cost $3 each, and there is a $5 delivery charge per order. She has $50. If she buys 3 salads, how many drinks can she buy?
If x = number of salads and y = number of drinks, which of the following inequalities could you use to answer the problem?