hridhayotham200 hridhayotham200

03-04-2018
Mathematics

contestada

Find two numbers, if …
Their sum is 3 and their difference is 21
PLZ

Respuesta :

Аноним Аноним

03-04-2018

x+y=3
x-y=21

x=3-y

3-y-y=21
-2y+3=21
-2y=18
y=-9

x = 3-(-9) = 12

Two numbers are 12 and -9.

Hope this helps.

Answer Link

Otras preguntas

maths question solve it quick pls

Which of these describes the positive impact of tourism in Oklahoma? Select all that apply. preserves cultural and historic sites increases state and local reve

Comentario del plano de la ciudad de Santander

Help me on this please

HELP ME PLEASE 1. What is Ms. Roman’s employment background? 2. What statistics from police academies in the state of New Jersey were alarming to Ms. Roman? 3.

Esas obras de arte fueron creadas por un artista panameño. ¿Qué voz usa la oración? la voz subjuntiva la voz activa la voz pasiva la voz indicativa

Round the following off to required number of significant figures. 137 (2 significant figures)

how many biggest river and mountain in PAPUA NEW GUINEA.

20 POINTS! 1. The four types of tissue in the body are epithelial, connective, muscle, and nervous. True | False 2. Muscle tissues are bundles of muscle fibers

What is the oxidation number of iron in FeO?