emmajojo17 emmajojo17
  • 16-09-2019
  • Mathematics
contestada

5x – 2y = 1
x + 3y = -7
How to solve by substitution

Respuesta :

snugbug07
snugbug07 snugbug07
  • 17-09-2019

Step-by-step explanation:

substitute x for 3 and y for 7

5×3-2y=1

15-2×7=1

15-14=1

substitute y for -5 and x for 8

8+3×-5=-7

8+-15=-7

Answer Link
ACCESS MORE

Otras preguntas

Rewrite in simplest radical form the problem in the image below. Show and explain each step. Thank you for your time and help.
twelve cubes are stacked to make this figure
B is wrong what is the right answer
You measure the mass of an unknown piece of metal to be 325 grams. The volume of the metal is measured to be 16.8 cm3. What is the density of the piece of metal
Ex3 :Use the correct passive form of these 1. An island ............. by water ( cover ) 2. I ..... to the party last night but I didn't come ( invite ) 3. Mary
I need help !!!PLEASE
please help me with this:)
2. What is the solution to the equation 1/2x + 3/2(x+1) - 1/4=5 ​
The volume of a prism with side lengths measured in millimeters is 20. How could this measurement be written? Check all that apply. 20 millimeters 20 mm3 20 mm2
How should the United States government have behaved in dealing with the disputes between the Cherokees and the white settlers?