Seudónimo Seudónimo
  • 12-01-2019
  • Mathematics
contestada

URGENT‼️‼️‼️‼️‼️ Is the open sentence 7x-5=2x+8 true when x=2? Justify your answer.

Respuesta :

jimrgrant1 jimrgrant1
  • 12-01-2019

Answer:

No

Step-by-step explanation:

Substitute x = 2 into the equation and if both sides are equal then x = 2 is a solution.

left side = (7 × 2) - 5 = 14 - 5 = 9

right side = (2 × 2) + 8 = 4 + 8 = 12

left side ≠ right side

Hence x = 2 is not a solution of the equation


Answer Link

Otras preguntas

A determination of the dedifferentiation of cancer cells is called
Given the following unbalanced thermochemical equation, how many grams of carbon disulfide (CS2) will be produced along with 150.0 kJ of heat? C(s) + S(s) + 89
30 pages in 45 minutes. at this rate how many pages are read in 3 hours
The garnishment that takes priority over all others is
What is the vertex of f(x)=(x-8)(x-2)
Practice: Write an algebraic equation to model each situation. Then solve the equation and answer the question. 1. A video store charges a one-time membership f
Is it legal in north carolina for a man to marry his widow's sister?
a business has a goal if selling 500 bags of chips. with 3 days left they have 322 To go. at least how many do they need to average per day to next their goal
Which of the following sets the events of the plot in motion?
When does secret life of the american teenager volume 8 come out on dvd?