11-11-2018
Mathematics

contestada

if 3x+2y=14 and 2x+y=7, then x+y=

Respuesta :

MargauxStrb MargauxStrb

11-11-2018

Out of the second equation y=7-2x
Into the first equation
3x+14-4x=14
14-x=14
X=0

Now fill back into the second
Y=7
So x+y is 7

Answer Link

Otras preguntas

What pattern do you see when you look at latitude and temperature on west coast cities

State 4 evidences to show that matter Consists of particles

the passage mentions many reasons name two

Texto expositivo de Jane Goodall Pls es para mañana

Reformation write about what you know about the Reformation 15 points!

Measure the value of the radius of curvature and deduce the value of the focal length.

Calculate conductance of a conduit the cross-sectional area of which is 1.5 cm2 and the length of which is 9.5 cm, given that its conductivity is 0.65 ohm-1 cm-

Bonsoir s’il vous plaît, j’ai besoin d’avoir un avis sur la guerre en Ukraine(5 lignes minimum )

On considère une fonction f admettant le tableau de variations suivant.x−2 1 3 6 1215−3−1−41. Comparer, si c’est possible, les nombres suivants.a. et b. et c. e

Use your knowledge of social networking sites and the vocabulary that you learnedto create a personal profile page in German. For this task, you can use informa