nathaliagonzalez nathaliagonzalez
  • 02-12-2020
  • Mathematics
contestada

if -2x+3=7 and 3x+1= 5+y

Respuesta :

lindsayextra2 lindsayextra2
  • 02-12-2020

Answer: x = -2, y = -10

Step-by-step explanation:

solve for x first in the equation -2x+3=7

-2x+3=7

-2x = 4

x = -2

now plug that x value into the other equation so we can find y

3x+1 = 5+y

3(-2)+1 = 5+y

-6+1 = 5+y

-5=5+y

-10 = y

Answer Link
ddss1972
ddss1972 ddss1972
  • 02-12-2020

Step-by-step explanation:

-2X+3=7

-2X= 7--3

X=-2

2nd equation

3(-2) +1= 5+y

y= -10

Answer Link

Otras preguntas

Figure II is a translation image of Figure I. Write a rule to describe the translation. The translation rule is (x,y)→(x+ __ , y+ __ )
solve 12ds/w=CD for w.
To prevent accidental poisoning, you should NOT __________. a. mix chemicals in well ventilated areas b. follow the instructions on the label c. keep materials
Chlorophyll traps _____ from sunlight. a. oxygen c. hydrogen b. energy d. glucose
Czechoslovakia, Yugoslavia, Estonia, Finland, Poland, and Latvia____________ A Were not independent after WWI B Were not independent countries before World War
how long are they going to have fun in lord of the flies
Which of the organelles in the animal cell is involved in exocytosis?
Strength training improves the strength of muscles alone. a. True b. False
how long are they going to have fun in lord of the flies
The element Ag has how many protons?