jaydenmorrison2004 jaydenmorrison2004
  • 01-11-2020
  • Mathematics
contestada

5x+=-10
4x - 2y=-8

How do I use the substitution method to solve this

Respuesta :

femalelightyagami femalelightyagami
  • 01-11-2020

Answer:

x= -2

y= 0

Step-by-step explanation:

x= -2

4x-2y=-8

4(-2) -2y =-8

y =0

Then check:

5(-2) = -10

4(-2)-2(0) = -8

-8 - 0 = -8

-10=-10

-8=-8

Answer Link

Otras preguntas

what is the importance of relative chronology to a historian
write the equation of a line with a slope of –1 and a y-intercept of –6. y = –x – 6 y = –6x – 1
what is the value of this expression 14−3 ? 12 1/12 64 1/64
What would you do if you became a president of the United States? Write down.
Is 6/7 a whole or a natural number? can fractions be natural numbers?
How far is 7/10 from zero on a number line
what is the value of this expression 1/4−3 ? 12 1/12 64 1/64
How many tens are in 14.5
A graphing calculator displays 1.89 * 10 12 as 1.89 e 12. how do you think it would display 1.89 * 10-12 ? What does e stands for ?Please help me answering this
what is the correct formula for calcium fluoride? a. caf2 b. caf c. ca2f d. ca2f2