Michaellewis6341 Michaellewis6341

12-01-2017
Mathematics

contestada

2x = 2y + 32
3y = 72 - 9x

Using the two equations above, solve for x.

A. x = 72
B. x = 8
C. x = -6
D. x = 10

Respuesta :

IslomKayumov IslomKayumov

12-01-2017

from 3y=72-9x we get y=24-3x then we input this into first equation in seat of y to get
2x=2×(24-x)+32
solving for x we get
x=10

Answer Link

Otras preguntas

Which statement about the Islamic Golden Age is a fact rather than an opinion? (1) Islamic medicine was more advanced than Chinese medicine. (2) Poetry and lite

What is (-4.8y + 20.1) - (12.7y + 9.3)?

why do ecologist make models?

what does πr² mean and how do I solve it

What is the slope-intercept form of 8x - y - 6 = 0? Can anyone explain how to make it step by step?

what were dr seuss strengths and struggles

Which shape is always a parallelogram (Pentagon,trapezoid,rhombus,or triangle

Write an algebraic expression for two fifths the cube of a number

$6300 is invested , part of it at 12%, and part at 6%. For a certain year, the total yield is 564.00. How much was invested at each rate?

how did english culture influence chaucer?