18-04-2017
Mathematics

contestada

-3x + 5y =80
x + 5y = 60

Respuesta :

Аноним Аноним

27-04-2017

-3x+5y=80
-
x+5y=60

-4x=20
x=-5, y=13 or (-5,13). Hope it help!

Answer Link

Otras preguntas

can someone check my answer? i think its B. Read the passage. excerpt from "Marie Curie and the Discovery of Radioactivity" by Mara Rockliff The energy appeared

The coordinates of point A are (-6, 4). The coordinates of point B are (3, 4). Which expression represents the distance, in units, between points A and B? A. |-

Which set of sides would make a right triangle? 4,5,6 8,10,12 5,12,13 5,10,12

Jonathan's piggy bank contains 20 nickels, 30 quarters, and 50 one-dollar coins. He picks 20 coins from the bank at random; 12 of these coins are one-dollar coi

how to solve a system with variables

Which of the following describes the sharing of a nonbonding electron pair on a nitrogen molecule with an oxygen atom, resulting in a nitrous oxide molecule?

What is the thing that hangs down in the back of your throat?

Please answer the following attachments.

Zane is a dangerous fellow who likes to go rock climbing in active volcanoes. one time while inside a volcano, he heard some rumbling, so he decided to climb up

Guide fossils are useful for determining the relative ages of strata. true false