Question

Which are solutions of the linear equation? Select all that apply.

3x + y = 10
a. (1,6)
b. 12, 4)
c. (3, 1)
d. (4,-1)
e. (5,-5)​

Answer 1

e. (5,-5)

Explanation:

`3x + y = 10 \\ lhs = 3x + 5 \\ (plug \: x = 5 \: \: y = - 5) \\ = 5 * 5 + ( - 5) \\ = 15 - 5 \\ = 10 \\ = rhs`

Answer 2

B. (2, 4)

C. (3, 1)

E. (5, -5)