fry93532 fry93532

21-12-2017
Mathematics

contestada

find the value of two numbers if their sum is 12 and thier difference is 4

Respuesta :

21-12-2017

x + y = 12
x - y = 4
(12 - 4) : 2 = 4
4 + 4 = 8

x = 8
y = 4
-----------------------
8 + 4 = 12
8 - 4 = 4

Answer Link

Otras preguntas

Explain why summer in the Northern Hemisphere is cooler than summer in the Southern Hemisphere.

How many syllable in electricity

john and mary went to the mall. Is that a sentence or a fragment?

Explain why summer in the Northern Hemisphere is cooler than summer in the Southern Hemisphere.

3/4 + 1/8= with simplest form.

What were the origins of Islam and what are its main beliefs ..

How many syllable in electricity

How many syllable in electricity

(64/9)^(-2/3) Simplify the expression

What equals to 31 using multiplication?