sa6maftimariana
sa6maftimariana sa6maftimariana
  • 10-06-2016
  • Mathematics
contestada

What is the value of a if (2a +3) - (4a-8)= 7

Respuesta :

Kunchan
Kunchan Kunchan
  • 10-06-2016
( 2a + 3 ) - ( 4a - 8 ) = 7
2a + 3 - 4a + 8 = 7
-2a + 11 = 7 
-2a = -4
a = -4 / -2
a = 2
Answer Link

Otras preguntas

scrieti un text de 8_10 randuri in care sa folositi verbe la modul indicativ timp viitor si viitor anterior
Name the relationship: complementary, linear pair, vertical, adjacent.
If A = 0 in a linear equation of the form Ax + By = C, then which statement is also true? A. The graph of this equation is a horizontal line. B. The graph of th
What does Rachel do for Lyddie?
Why have most cultures throughout history used artistic works as a form of representation?
What is 36/50 in simplest form. Hurry. 30 points. Brainliest for first answer
Which of the following blood vessels uses elasticity to push blood further along the bloodstream? Arteries Capillaries Varicose veins Atrioventricular node
Kevin is 3 years older than Daniel. Two years ago, Kevin was 4 times as old as Daniel. How old is Daniel now?
`how many tast buds do babies have
If people in court say, "I plead the fifth," that means they A. Are probably guilty on all counts B. Do not want to be forced to testify against themselves C.