Respuesta :

X = 4 because 3 times 4 equals 12 and 12 minus 5 equals 7
dennisterrika

Answer:

3x-5=7 is x = 4

Step-by-step explanation:

Add 5 to both sides of the equation

3x-5+5=7+5

Simplify

3x=12

Divide both sides of the equation by the same factor

3x over 3 = 12 over 3

Simplify

x=4