biancawilliams707 biancawilliams707
  • 14-11-2020
  • Mathematics
contestada

solve each equation by elimination
[tex]x + y = 8 \\ x - y = 10[/tex]
​

Respuesta :

oscar236
oscar236 oscar236
  • 14-11-2020

Answer:

The solution is  x = 9, y = -1.

Step-by-step explanation:

x + y = 8

x -  y = 10       Adding to eliminate y:

2x + 0 = 18

x = 9               Substituting x = 9 into the first equation:

9 + y = 8

y = 8 - 9

y = -1..

Answer Link

Otras preguntas

data marts can be implemented ________ compared to data warehouses.
The p53 gene in mammalian cells is known to stop the cell cycle in response to damaged DNA. If this gene is damaged without repair, which of the following is mo
Many people believe that the Electoral College is out of date and should be eliminated. They argue that it was created at a time when fewer people could vote an
PLS HURRY will marrk brainliest and 100 points How many gods did the Romans have? 6 1 2 many
Dónde ____________ mi mochila?— ____________ en la clase de tecnología.2. —¿En qué clase ____________ Uds. en la segunda hora?—Nosotros ____________ en la clase
what is 863. 141 in expanded form​
pls answer my module i give 10 pts for this​
There are four consumers willing to pay the following amounts for haircuts, and there are four haircutting businesses with the following costs: Consumers' Willi
1. What message does the poem “Concord Hymn” convey? There is no glory in war, only loss and suffering. With the passage of time, memories fade and lose relevan
Convert 2.01960784314 to scientific notation