Question

3x - 7y + 10 when x = 4 and y =2

Answer 1

8

Explanation:

you need to multiply 3 and 4

then subtract 7 and 4 and add 10

Answer 2

8

Explanation:

replace x with 4 and y with 2 in the equation

3x - 7y + 10

3(4) - 7(2) + 10

multiply

12 - 14 +10

add

-2 + 10 = 8