kphillipshoward kphillipshoward

05-03-2017
Mathematics

Answered

Solve using substitution method 2x+2y=-3 2×-y=5

Verified Answer :

wolf1728 wolf1728

18-03-2017

A) 2x + 2y = -3
B) 2x -y = 5
B) y = 2x -5
Substituting equation B into A
A) 2x +2(2x-5) = -3
2x + 4x -10 = -3
6x = 7
x = 1.16666666
y = 21.16666667 -5
y = -2.66666666

Answer Link

Related Questions

49 more than the quotient of an unknown number and 12 is 53 What is the value of the unknown number

What is 350 kelvin on the Celsius scale of temperature

In an investigation on accuracy and precision Myriah measures the mass of a 1000 g piece of metal several times Her measurements are 998 g 1002 g 1001 g and 999

how many terms are in the expression 3y2xyxy squared

Can you please tell me which order they go in and please answer 1amp2

The earliest vascular plants were seedless reproducing with instead of seeds cones flowers spores pollen

Yo con mi hermano a jugaba b sabía

All of the department heads are called secretaries except one which department is that what is the department leader name

How did geography affect the societies and cultures that developed in the early Americas

What is the verb phrase in he has always thought about his future

Web Analytics Made Easy - Statcounter