hridhayotham200
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

Kim estimates that the faucet in her kitchen drips at a rate for 1 drop every 2 seconds. Erik wants to klnow how many times the faucet drips in a week.
Given the inequalities y > 5x-8 and y >3x+4, find the point that satisfies one inequalities but not them all
What Canadian city is across a body of water from New York
One-half of a number is -12. Find the solution ???
Question: 35/8 ( write as mixed number ) Please help me very very quickly!!!!!!!!!!!!!!!!!!!
Write this statement as a conditional in if-then form: All triangles have three sides. A) If a figure is a triangle, then all triangles have three sides.B) If a
In Romeo and Juliet act 2, which character serves as a messenger
What is the difference between displacement and double displacement reactions?Write equations for these reactions?
1. Why are there active volcanoes along the Pacific coast in Washington and Oregon but not along the East coast of the United States?
What Canadian city is across a body of water from New York