helpPlzPlz
helpPlzPlz
03-08-2016
Mathematics
contestada
2(2x - 4) + x = 7
whats x?
Respuesta :
Аноним
Аноним
03-08-2016
2(2x-4)+x=7
= 4x-8+x=7
= 4x+x-8=7
= 5x=7+8
= 5x=15 dividing both sides by 5
= x=15/5
= x=3
so x is 3
Answer Link
VER TODAS LAS RESPUESTAS ( 21+ )
Otras preguntas
A theorem is a statement in geometry that is accepted without proof. Please select the best answer from the choices provided T F
Give the next two numbers in the pattern. 0, 0.75, 1.5, 2.25,... Enter the answers separated by a comma without any spaces.
What does monophonic mean in a sentence? a. Fear of being alone b. Fear of marriage c. Fear of government d. Fear of conflict
A train is moving at 35 m/s to the east. it speeds up to 42 m/s east over the course of 40 seconds. what was trains acceleration
During the Hoover administration, several economic warning signs appeared. Can you name them?
How did Christianity contribute to the fall of Axum and its economy? Axum had to isolate itself from the Islamic countries that surrounded it. Axum could not af
In a proton linear accelerator, a 8.6 mA proton current hits a target. a. How many protons hit the target each second? b. What is the energy delivered to th
Which of the following is not considered a COPD related disease? a. Bronchiectasis b. Bronchial asthma c. Bronchitis d. Bronchial hypotension
What did the case Plessey v. Ferguson decide?
In mice black fur coat is dominant over brown but mice with two alleles for block for a color were albino which pattern of inheritance was exhibited
