Current location - Training Enrollment Network - Mathematics courses - How to solve the sixth grade math lesson 2x-y+z =-3x+3y-2z =133x-2y-z = 2?
How to solve the sixth grade math lesson 2x-y+z =-3x+3y-2z =133x-2y-z = 2?
2x-y+z=-3( 1)

x+3y-2z= 13 (2)

3x-2y-z=2 (3)

2( 1) formula+5x+y of formula (2) = 7 (4)

Formula +(3) =- 1 (5) (1) 5x-3y

(4) Formula -(5) 4y=8

Solution: y=2

x= 1

z=-3

Related articles
  • Senior high school mathematics proof questions
  • What kind of work are introverts suitable for?
  • What is 50 when three digits are divided by one digit and there is no remainder?
  • What does C mean in mathematics?
  • What about the former Yuntai Middle School of Zhanhui International Experimental School in Wugang City?
  • Does applied statistics belong to mathematics?
  • 20 17 what test paper does Hunan use for the college entrance examination?
  • Is it easy to teach mathematics in junior high school for Chinese majors?
  • Description of Beijing Mathematics Examination
  • 20 13 Songjiang mathematics Yimo

    • copyright 2024 Training Enrollment Network All rights reserved