lisetteg2006 lisetteg2006
  • 25-11-2020
  • Physics
contestada

Solve this system of equations without graphing and show your reasoning

5x+y=7
20x+2=y

Respuesta :

lavenderlillacs25 lavenderlillacs25
  • 25-11-2020

Answer:

Explanation:

5x + y = 7

20x - y = -2

    25x = 5

        x = (1/5)

5(1/5) + y = 7

1 + y = 7 .

y = 6

Answer Link

Otras preguntas

Lee Ann earned $102.00 working for 8 hours at her job as a secretary at her second job in the mall, she earned $40.50 working for 180 minutes. At which job did
how to open microsoft word
solve for y in x+0.25y=1.5
What will the rate of acceleration be if a 10N force is applied to an object with a mass of 10kg? Please help
what 2 radical groups frightened Americans after WW1
is 3:6 and 6:3 eqivalent
A grapefruit is 8% heavier than an orange, and an apple is 10% lighter than the orange. By what percentage is the grapefruit heavier than the apple?
How did the United States acquire Florida
USING A STIMULATION: A medicine is effective for 80% of patients. The table shows 30 randomly generated numbers from 0 to 99. Use the table to estimate the prob
One reason it is important to include a blank in a personal statement is that it gives the writer a chance to reflect on the experiences discussed in the narrat