04-04-2019
Mathematics

contestada

-5x+y=-1 and y-4x=3 solve by substitution

Respuesta :

04-04-2019

Y=5x-1

Substitute this into the other equation in the place of y

5x-1-4x=3
X-1=3
X=4

Substitute this into the original equation

Y=5(4)-1
Y=19

Answer Link

Otras preguntas

How many solutions will this system of equations have? y = 3.5x − 3.5 y = −3.5x + 3.5

Betty says that 90% of 180 days in 200 days. Is her answer reasonable

Estimate the sum of 412.02 and 513.87 to the nearest whole number? A. 926 B. 925.89 C. 930 D. 935

What is the GCF of 24 and 64

A summary needs proper documentation because it's relating someone else's idea while at the same time A. shortening the material. B. directly quoting f

A plane is schedule to complete a 1,792 mile flight in 3.5 hours. In order to complete the trip on time, what should be the planes average rate of speed

Fe2O3+3H2 produces 2Fe+H2O Which chemical reaction is it? Synthesis decomposition single displacement double displacement combustion

In which of these climate types would the least amount of soil form? A. polar B. desert C. tropical D. temperate

Which is the x axis and which is the y axis

What is true of the total mass of reactants compared to the total mass of products