01-02-2017
Mathematics

contestada

What's 4x+2y=10

X-y=13

Respuesta :

mohsan573 mohsan573

01-02-2017

X=y+13 then put in above

4(y+13)+2y=10
4y+52+2y=10

6y=-42

divide by 6
y=-7

Now put in X=y+13
x=-7+13
x=6

Answer Link

Otras preguntas

Which graph shows the solution to the inequality -3x-720?

The accepted value is 29.35. Which correctly describes this student's experimental data?

What is the best Description of first railroad ?

Interview notesRebecca was single on December 31, 2020. Her husband, Doug Washington, passed away on March 20, 2019, and she has not remarried. Rebecca and Doug

The goal of ________, which was developed by Freud, is to release hidden thoughts and feelings from the unconscious part of our minds in order to reduce their p

PLEASE ANSWER MY QUESTIONS Which one of the sentences below is NOT grammatically correct? Tú no te vas a peinar. Tú te no vas a peinar. Tú no vas a peinarte. T

I need help! Plzzzz Let P(x) = 25(x + 2)2 – 2500.1) Show that P(x) = 25(x-8)(x + 12).2) Solve P(x) = 0.3) MNPQ and QRST are two squares such that:MN = 4(x + 2)

Solve for x: 2/5(x-2)=4x

Which sentence uses correct grammar to describe the situation? Three boys brought comic books to class. Their teacher has taken all of the books and placed them

a firefighter must cut a 2,700 foot rope into 75 equal pieces how long will each be?