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

Given quadrilateral RSTU, determine if each pair of sides (if any) are parallel and which are perpendicular for the coordinates of the vertices. R(1, -3), S(4,

James bought 32 bolts at the hardware store for a total of $12.00. some were 3−inch bolts that cost 36 cents each and the others were 4−inch bolts that cost 42

If both of these balls are traveling down a bowling lane at the SAME speed, which one would would have more kinetic energy? Question 4 options: Ball A would ha

PLEASE HELP!!! WORTH 3 GRADES

A springboard diver intending to do a somersault brings her knees and arms closer to her body during the dive. What effect does this have?

what is the nth term for the following 7, 14, 23, 34,47, 62, 79

In the U.S supreme court case. U.s.v.Nixon, what constitutional principle was the focus of the ruling?

Describe identify theft and the best ways to avoid it.

Compare and contrast songs to poetry

You are returning from a european vacation and decide to buy some chocolates in the duty-free shop at london heathrow airport. what does "duty free" mean?