26-05-2017
Mathematics

contestada

what is the value of -4k+2(5k-6)= -3k - 39

Respuesta :

26-05-2017

-4k+2 (5k-6)=-3k-39
-4k+10k-12=-3k-39
6k-12=-3k-39
+3k both sides
9k-12=-39
+12 both sides
9k=-27
÷9 both sides
k=-3

check

-4 (-3)+2 (5 (-3)-6)=-3 (-3)-39
12+2 (-15+-6)=9-39
12+2 (-21)=9-39
12-42=-30
-30=-30
k=-3 holds true

Answer Link

Otras preguntas

They __________ their English a lot during last course. a. has improved b. improved c. improve d. have improved

At a given instant in time, a 6-kg rock is observed to be falling with an acceleration of 7 m/s². (a) What is the magnitude of the force of air resistance actin

As a product owner why would you use business model canvas

Use the table to answer the question.Value −3−2−10 1Total Observations 1 2 3 2 1Calculate the standard deviation of the dataset. Round the answer to the nearest

How does reality of time affect human beings?

• Distinguish a normative law from an empirical law as discussed in this course and in your own words. Using an example in each case, show what makes one law di

Read the excerpt from "Raymond's Run." take my time getting to the park on May Day because the track meet is the last thing on the program. The biggest thing on

Use the image below to answer the following question. Find the value of sun x degrees and cos y degrees.(05.01 HC). Pls help me.

What does Anne Frank see as her strongest character trait? She always does what she's told. She never experiences fear or doubt. She knows herself very well. Sh

Malcolm X * Had the same goals and ideals as King Had the same goals as King, but was more aggressive Believed white Americans cared about him Believed that pat