zainabomar1998 zainabomar1998
  • 09-12-2020
  • Mathematics
contestada

Y=x+1, xy+2x=0

Help please

Respuesta :

bbooobb
bbooobb bbooobb
  • 09-12-2020

Answer:

x = 0,-3

y = 1,-2

Step-by-step explanation:

We can substitute x+1 for x in the second equation

x(x+1) + 2x = 0

x^2 + 3x = 0

x(x+3) = 0

x = 0,-3

y = 1,-2

Answer Link

Otras preguntas

Rewrite the equation below so that it does not have fractions. 2/3x+2=3/7 Do not use decimals in your answer.
How do the molecules move in the frozen lake? 1. They don't move 2. In place 3. Away from each other 4. Around each other
15 points and brainliest if right!!
Drake made $21.75 per hour until he was laid off. Then he took another job for 12% less. What is his new hourly rate? A. $17.26 B. $19.14 C. $22.01 D. $24.36
Describe the nitrogen cycle
2. Erika hasn't eaten since early this morning. It is now time for dinner. Her stomach is growing, and she feels very hungry. One reason that she is feeling hun
1)Cece spent 2 2/5 hours doing his math modules 1 1/5 hours doing his science. how munch more time did cece spend on doing his math module than on his science
Which angles are adjacent to each other? Question is located in the attached file (image)​
Manuela claims that ab and pq are congruent
is this correct??????