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

Otras preguntas

Genealogy is more than just a hobby to Mr. Jim Adams, a Millville resident who has spent much of his life studying the lives of his ancestors. He's devoted a gr

What is the area of this triangle?

A mass of 5 kg stretches a spring 10 cm. The mass is acted on by an external force of 10 sin(t/2)N (newtons) and moves in a medium that imparts a viscous force

Discounted payback: Nugent Communication Corp. is investing $9,365,000 in new technologies. The company’s management expects significant benefits in the first t

A tree that is 7 feet tall is growing at a rate of 1 foot each year. A tree that is 16 feet tall is growing at a rate of foot each year. Enter the number of yea

mark the location of 5/3

Which of the following method calls are legal?a. mathMethod(x);b. mathMethod(y);c. mathMethod(x, y);d. mathMethod(x + y);e. mathMethod(12L);f. mathMethod(12);g.

Lake Sales had $2,200,000 in sales last month. The contribution margin ratio was 30% and operating profits were $180,000. What sales volume does Lake's need to

Jay Company started Year 2 with a beginning balance of $10,000 in accounts receivable. During the year, revenue on account amounted to $25,000. Cash collections

The chief protein that is present in most connective tissues, including scars, ligaments, and tendons, is: a. insulin b. hemoglobin c. collagen d. antibodies e.