joaopedromatesco joaopedromatesco

12-11-2019
Mathematics

contestada

X + y = 9/x - y = 5?????

Respuesta :

mide010877 mide010877

12-11-2019

Answer:

y=2

x=7

Step-by-step explanation:

subtract equation 1 from 2

0+2y=4

y=2

substitute y into equation 1

x+2=9

x=9-2

x=7

Answer Link

Otras preguntas

The probable outcome of a disease or injury is know as

What is the residuals for this scatterplot? I WILL MARK BRAINLIEST!

Which of the following measures is the average of a data set? mean median range mean median range

8) Which of these is a power found in the state constitution? A) entering into treaties with other countries B) declaring war on foreign power C) selecting

Claims • Evidence • Reasoning Make a claim about ways people can stay safe during storms with high wind and heavy rains. Summarize evidence to support the claim

Which of the following contributed to Venice's rise as a city-state in Italy?

The table shows the results of drawing 44 cards from a deck of 104 game cards. After each draw, the card is replaced.Based on the results, what is the chance th

HELP ! Mendel made crosses between pure-breeding tall pea plants with purple flowers and pure-breeding short pea plants with white flowers. The alleles for a ta

Solve for b.7b - 15 = 5b - 3

What form of Figurative language does the following sentence represent? The sky was like a flame of brilliant fire at sunset A. personification B. Simile C.met