kalumlankaotlqfl kalumlankaotlqfl

01-08-2017
Mathematics

contestada

If (3)x+y = 81 and (81)x-y = 3 find the values of x and y.

Respuesta :

ivana04 ivana04

11-09-2017

you have to isolate the variables meaning you have to do the opposite of multiply 81 you have to divide 3/81: x and y for both sides will be the same thing

Answer Link

Otras preguntas

What what handels full name

write the equation in function form.then graph the equation y-x=-1

How do tussock moths obtain energy in cellular respiration?

why did the citizens of Richmond, Virginia feel upset about the actions at Fort Sumter ?

@stewyWhich sentence uses a verb that agrees with its compound subject? A.Waiters and waitresses serve the diners at the banquet.B.cell phones and tablets i

What Is the Function of Alliteration in Literature?

What Is the National Prohibition Act?

n^2+7n+15=5 show work please

write the equation in function form then graph the equation 3x-y=5

Which situation describes a correlation that is not a causal relationship? (1) Car color and number of car accidents(2) Hours spent studying and test score(3) A