GeekyElement GeekyElement

03-12-2017
Mathematics

contestada

Solve the system of linear equations by substitution. Check your solution.

4x + 2y = 8
6x - 4y = 5

Respuesta :

lesliekolleroxrkcf lesliekolleroxrkcf

03-12-2017

8x+4y=16
6x-4y=5
_________
14x. =21
x = 3/2
4*(3/2)+2y=8
6+2y=8
2y=2
y=1

4*(3/2)+2*1=8 check
6(3/2)-4*1=5 check

Answer Link

Otras preguntas

PLZ HELPPPPP thx plzzz

Page 161 3. how do people adapt to environmental extremes and other circumstances? human populations that engage in activities that stress the skeleton (e.g., w

pls help asap not very good @ math

99 pointsAdd the following polynomials. Write answer in descending powers of x. -4x^2+3xy-y^2-7x^2-xy+6y^2x^2+4xy-2y^2___________

Solve the system using subsitution.1.{4x−y=−3y=5x2.{6x−y=−15x+2y=173. {11c−2d=−2c+8d=8

Someone pleaseeee help. 1-The two bases that are purines are: 2- The two bases that are pyrimidines are

Y squared minus nine

Please help! Can you tell me if my answers are wrong or right? Please explain why or why not. (Answers located at the bottom. 5,0)

There are 9 students in a class: 7 boys and 2 girls.If the teacher picks a group of 3 at random, what is the probability that everyone in the group is a boy?

**WILL GIVE THE BRAINLIEST! & LIKE** Solving Multi-Step Equations 1) 0 = k + 6k 2) 9 = 6x - 4 + 1 3) -4 = v - 3 + 3 4) 8 = k + 4 + 3 5) 16 = x - 5x Please w