dominicpullinsozkltk dominicpullinsozkltk

17-11-2017
SAT

contestada

3x+4y=23
2y-x=-19
what is the solution (x,y) to the system of equations above?

Respuesta :

Karollina Karollina

22-11-2017

3x+4y=23
2y-x= -19/ multiply -2

4y + 3x = 23
-4y - 2x = 38
_______________
X = 61

2y - x = -19
2y - 61 = -19
2y = 61 -19
2y = 42

Y = 21

Answer Link

Otras preguntas

On November 1, Year 2, Smith Co. contracted to dispose of an industry segment on February 28, Year 3. Throughout Year 2, the segment had operating losses. These

definition qualitative graph

Light from a helium-neon laser (Î» = 633 nm) is used to illuminate two narrow slits. The interference pattern is observed on a screen 2.5 m behind the slits. El

Which parent functions have an intercept at (0,0)Choose all that are correct. Linear Quadratic Radical Absolute Value Rational Exponential Logarithmic (Log) Cub

If an element has 6 protons, 6 electrons, and 8 neurons, then what’s the atomic number

YOO PLZ HELP ASAP!!! MARKING BRAINIEST!!! Use the Internet to find the actual area of Ohio. Then find the actual population density of Ohio. How does this compa

An advantage of using return on investment (ROI) to evaluate performance is that it encourages the manager to reduce the investment in operating assets as well

Phillip deposited $7,775 into a savings account 14 years ago. The account has an interest rate of 4.5% and the balance is currently $14,398.87. How often does t

HELP PLEEAAAASSSEEEEEEE What is the definition of net force?

who was the first girl from India to go in space?