theman1717 theman1717

03-01-2017
Mathematics

contestada

I need help solving and checking algerbryically

I need help solving and checking algerbryically class=

Respuesta :

thimegan thimegan

03-01-2017

x-y=1 --> x=1+y
plug it into the first equation
3(1+y) + 2y = 8
3+3y+2y=8
5y=5
y=1
plug y into the equation to solve for x
x=1+y
x=1+1
x=2

Answer Link

Otras preguntas

how far does a 1.2g bullet with kinetic energy of 1.2 j go in 2 seconds ?

please help me answer the question in the image

Help please! __________ is caused by a bacteria that can be transmitted by a flea bite, contact with an infected person, or via airborne droplets. Symptoms are

a large University with over 40,000 took a recent survey in which 31% of the students claimed to exercise at least 3 times a week. A simple random sample of 250

VI. What are the different punctuation marks we use in writing sentences? Give the name and the symbol. Different punctuation mark 21. Declarative Sentence ( )

Jasmine got a prepaid debit card with $25 on it. For her first purchase with the card, she bought some bulk ribbon at a craft store. The price of the ribbon was

What legislative proposals set forward by President Truman built African American political support?

The battery of an aircraft and even your car has the negative as the ground. The question is why was the negative not the positive chosen to be the ground?

Porque es importante la hidratacion o hidratarnos?

Help with my French hw please