parkchanhyuk6211 parkchanhyuk6211
  • 07-01-2021
  • Mathematics
contestada

Is it true that x= -5 ? -2(-4x-1)-x+3=−30 Justify your answer.

Respuesta :

Аноним Аноним
  • 07-01-2021

Answer:

Step-by-step explanation:

here you go mate

step 1

-2(-4x-1)-x+3=−30  equation/Question

step 2

-2(-4x-1)-x+3=−30  distribute

7x+5=-30

step 3

7x+5=-30  subtract 5

7x=-35

step 4

[tex]\frac{7x}{7} =\frac{-35}{7}[/tex]  divide

answer

x=-5

Answer Link
yhchong04
yhchong04 yhchong04
  • 07-01-2021

Answer:

-2(-4x-1)-x+3=-30

8x+2-x+3=-30

7x+5=-30

7x=-30-5

7x=-35

x=-35÷7

x=-5

Answer Link

Otras preguntas

phương trình nào sau đây không đúng Mg(OH)2 (t°)→ MgO+H2O Fe(OH)2 (t°,chân không)→FeO+H2O 2Fe(OH)3 (t°)→Fe2O3+3H2O 2NaOH (t°)→Na2O+H2O
an experiment is replicable if different scientist can do the experiment and get the same results true or false​
A football is kicked with a speed of 18.0 m/s at an angle of 36.9° to the horizontal. 7. What are the respective vertical and horizontal components of the initi
write down the effects of gravitational force ​
5(2x-5) = 1/2(18x+40)​
What is the value of n in the equation shown? Captionless Image
what is second explain it briefly​
If x is 2/3 of y and y is 3/4 of z, what is the ratio of:x? * a) 1:2 b) 1:1 c) 2:1 d) 3:2 e) 4:3
what is the sum of 1+2+.....+50?​
9.2 x 6.07 please answer with the way how you are doing