seongsang seongsang

20-04-2020
Mathematics

contestada

can i get the steps to this equation please !

2a-4(a-5)=10

Respuesta :

taroarthur taroarthur

20-04-2020

Answer:

a=5

Step-by-step explanation:

You'll want to expand the -4(a-5) first. That'll be :

-4a+20.

So 2a-4a+20=10.

Variables on the left, plain numbers on the right:

2a-4a=10-20

-2a=-10

-a=-5

a=5

Done.

Answer Link

Otras preguntas

if a 20kg mass , when hung vertically from end of a spring, stretches the spring down by 12cm, find the spring constant of the spring

what is the rate of change for 2y+3=3x

What did the feudal system protect medieval European society from? A. papal interference and excommunication B. heavy taxes and forced labor C. the Black Death

completely factor 4m^4-32

If there were no waste/pollution, would there still be climate change?

The first question I have is what is 19 divide by 1/10. The second question is what is 2/9 multiply by 18. The third question I have is if Lamont's buys 9gallon

what is the fraction 42/56 reduced

Which of the following factors was not a cause of the Scramble for Africa? Answer a: End of the slave trade b: Exploration and politics c: Capitalism and medica

powers that are actually stated in the constitution

How do you use subtraction to find a missing addend in an addition problem?