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 is an equation of the line that passes through the point (8,-7)(8,−7) and is parallel to the line 5x+4y=165x+4y=16?

the thinkened portion of masonary wall is called

helppp pleassseeeee thank youuuu

Jason and Adam are using a kit to build their own electronics board for a computer project. They use a scale drawing included in the instructions to help build

what is forthy-eight thousandths as a decimal

Which of the following is NOT a function of the skeletal system? a)storing minerals b)protecting vital organs c)producing blood cells dallowing movement

Choose the true statement about the nature of the rural economy in the late 19th century. A) Merchants and store owners extended credit to poor farmers at low-i

Which stage of cell division is different in plant and animal cells? 1)cytokinesis 2)DNA replication 3)mitosis 4)prophase 5)telophase

Every four seasons gives everything an effective ability to evolve, but why do people from young to old notice only one spring.?please write an essay.

Who is correct, Val or tia?