Determina cuáles de las siguientes expresiones son ecuaciones y cuales no, Justifica tu respuesta.

a. 40 + x = 15

b. 27 + 40 + 16 = 83

C. P. -89 = 46

d d. {[3 + 2 + (9-7) 4 (3+ 4)}}

e. m + 25 + 32 91

f. 32 +251 - 361-55

8. y - 3

f(x) is the value of the function. b is the value of the function when x equals zero or the y-coordinate of the point where the line crosses the y-axis in the coordinate plane.

step-by-step explanation:

hope this !

$6.42

step-by-step explanation:

answer: 12,000

step-by-step explanation: first you ar e supposed to add. then multiply then subtract