princessbrianna113 princessbrianna113

03-12-2021
Mathematics

contestada

2x-3y=9. -5x-3y=30 elimination

Respuesta :

robertphilemon73 robertphilemon73

03-12-2021

7x=-21

x=(-21÷7)

x=-3

then

2x-3y=9

(2×-3)-3y=9

-6-3y=9

-3y=9+6

-3y=15

y=(15÷-3)

y=-5

Answer Link

Otras preguntas

What was life like for puritan children?

A bat flies at an average speed of 32 kilometres an hour. At this speed, how far will it fly in 15 minutes?

The diameter of a circle is 8 centimeters. a central angle of the circle of the circle intercepts an arc of 12 centimeters. what is the radian measure of the an

Paying attention to the trends that might impact your future career is called

Need help please.....

In a white heron how does Sarah Jewett portray Sylvia's attitude about money

A double solid white line painted between lanes on the highway means Changing lanes is not allowed. True or false?

How do you know when a spreadsheet object is active in a Word document? A. The Ribbon is minimized. B. The Excel Formula bar is displayed. C. The Word i

Why did Ernesto Lecuona move away from his homeland of Cuba? A. He had political differences with the Castro regime. B. He wanted to live in the music world of

If you use a stick to push an object, the muscular force acting on it is a non contact force. True or false? Explain