lilaarmenta lilaarmenta

08-11-2019
History

contestada

2) Solve the equations, explain the steps for part a.

a) -3(2x + 4) = 7x + 19

b) 2x+4 = 7 -5x

Respuesta :

SilvanaMartins SilvanaMartins

12-11-2019

Answer: a) x= 2,38 b) x = 0,42

Explanation:

a) -3(2x + 4) = 7x + 19

-6x - 12 = 7x + 19

-6x - 7x = 19 + 12

-13x = 31

x = 31

13

x= 2,38

b) 2x+4 = 7 -5x

2x + 5x =7 -4

7x = 3

x= 3

7

x = 0,42

Answer Link

Otras preguntas

what is aas congruence?

you hav designed a picture that is shaped as a square. the dimensions of your picture are 6x6in. you want to make it into a poster with dimensions 13x13in. the

you hav designed a picture that is shaped as a square. the dimensions of your picture are 6x6in. you want to make it into a poster with dimensions 13x13in. the

A dealer sells a certain type of chair and a table for $40. He also sells the same sort of table and a desk for $83 or a chair and a desk for $77. Find the pric

you hav designed a picture that is shaped as a square. the dimensions of your picture are 6x6in. you want to make it into a poster with dimensions 13x13in. the

A dealer sells a certain type of chair and a table for $40. He also sells the same sort of table and a desk for $83 or a chair and a desk for $77. Find the pric

7 - 3 ( 5t - 10 ) = 67

Find the LCM of 8,9, and 12

7 - 3 ( 5t - 10 ) = 67

7 - 3 ( 5t - 10 ) = 67