theman1717
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

Why is 12 (m+n) equivalent to 12m + 12n
what is the expanded form of 0.78
Identify the nation that exerted imperial control over India, impacting their language and religious beliefs. A. China B. Germany C. Britain D. Argentina
The United States can be described as both indirectly democratic and parliamentary confederal autocratic federal
why would upton Sinclair be considered a muckraker?
What is d slope intercept of 11x-8y=-48
1. In "In the Shadow of War", Omovo follows the soldiers and the women most likely because he (1 point) A. Yields to the curious whims of boys his age B. hopes
the RATIO of floor seats to balcony seats in a theaters is 20:1. does this theater have more floor seats or more balcony seats? how do you know? SHOW WORK! PLEA
Can someone pretty please help me? The problem: Write about a real-world situation that can be solved using a two-step equation.
pete got 7 items wrong out of 50 on a test. what fraction of the total number of problems did Pete get wrong?