edensilver12 edensilver12

13-02-2017
Mathematics

contestada

what is x
2x -(x - 4)= 5

Respuesta :

Jedimaster13 Jedimaster13

13-02-2017

2x - x + 4 = 5

so, x = 1

Answer Link

apologiabiology apologiabiology

13-02-2017

expand
distributive property
a(b+c)=ab+ac
so
-(x-4)=-1(x-4)=-1(x)-1(-4)=-x+4
now we has
2x-x+4=5
2x-1x+4=5
1x+4=5
minus 4 both sides
x+4-4=5-4
x+0=1
x=1

Answer Link

Otras preguntas

1. Provide two examples of a function: (1) as a table of values and (2) as a graph. Explain the definition of a function. Be sure to include mathematical vocabu

How do you calculate overtime earnings with only the total of regular earnings?

what the cost of 17kg if 1kg cost #2.50

What is the scientific notation!?

What was the singnificance of the treaty of Paris 1783

Find a counter example to the statement, the product of any integer and itself is odd

Read the passage. Knowing that Mrs. Mallard was afflicted with a heart trouble, great care was taken to break to her as gently as possible the news of her husb

A pool measuring 14 meters by 24 meters is surrounded by a path of uniform width, as shown in the figure. If the area of the pool and the path combined is 600 s

Write a word problem that can be solved using the equation 2(h+8)=28

Written as fractions, the decimal numbers 0.3 and 0.11 are 3/10 and 11/100, respectively