ttneedshelp1 ttneedshelp1

02-03-2017
Mathematics

contestada

how do i solve 5x-9y=-17 and 5x+3y=19 in elimation

Respuesta :

wolf1728 wolf1728

02-03-2017

A) 5x -9y = -17
B) 5x +3y = 19
If we multiply equation A by -1

A) -5x +9y = 17 then add it to B)
B) 5x +3y = 19
12y = 36
y = 3
we have eliminated the "x" term.

Answer Link

Otras preguntas

As the percent of iron in an igneous rock increases its density will__________?

The concept of protected rights began with: A) the Magna Carta B) Enlightenment C) English Bill of Rights D) Great Awakening

Value of 3y - 10 when y = -1

Gasoline costs $2.79 per gallon Is the number of gallons proportional to the total cost

The __________ and Ronne ice shelves are major landforms in Antarctica. a. Ayers b. Aoraki c. Cook d. Ross

Describe how insulation works and the role it plays in keeping our homes at a comfortable temperature.

What is one advantage of using a computer over a graphing calculator?

What is the closest relative of canis lupus?

What is one advantage of using a computer over a graphing calculator?

Piaget's principle of conservation concerns the observed properties of substances. Psychologists apply this principle when they study _____ development in child