brayannadkel brayannadkel
  • 25-06-2021
  • Mathematics
contestada

Solve the system of equations by substitution7x-2=2y
3X=2y-1

Respuesta :

loconte loconte
  • 25-06-2021

Answer:

y=13/4

x=3/4

tell you teacher that problems like tis one should be

done with elimination method, only use substation is a variable is already isolated !

Step-by-step explanation:

~~~~~~~~~~~~

7/2 x -1 = y

3x= 2(7/2x-1) -1

3x = 7x-2 -1

3x = 7x -3

-4x = - 3

x = 3/4

y = 3(3/4)+1 = 9/4 + 4/4 = 13/4

Answer Link

Otras preguntas

A _______________________ parking space is set at an angle of 90 degrees to the curb. A. perpendicular B. parallel C. angled D. small
How is linkage used to make gene maps?
what is the likely mechanism of inheritance for a character with a large range of phenotypes?
How do I prove that 0.3333.. Is equal to 1/3 using a geometric series?
Why am I so annoying? How can I change myself?
Please help!! There's a picture.
During a bike challenge, riders have to collect various colored ribbons. Each 1/2 mile they collect a red ribbon, each 1/8 mile they collect a green ribbon, and
how do I solve this problem? mars rotates on its axis at the rate of . 2552 rad/hr how many hours are in a martian day?
Is 2/14 equivalent to 3/7
What is a summary number model :) by the way here is the question joe ordered 72 plants for his patio garden. Each pot holds 4 plants.how many pots are needed t