dandiesgod dandiesgod

23-03-2021
Mathematics

contestada

Solve the system of equations x + y = 4 and -9x + 7y = -84 by combining the
equations.

Respuesta :

23-03-2021

Answer:

x = 7

y = -3

Step-by-step explanation:

x + y = 4 (Multiply this by 9)

-9x + 7y = -84

9x + 9y = 36

-9x + 7y = -84

16y = -48

y = -3

x + y = 4

x - 3 = 4

x = 7

Answer Link

Otras preguntas

Rearrange the sentences last month we went on holidays to South Island

what happens if the pressure in an angler fish habitat decreases

Which statement is true regarding the functions on the graph?

Can someone explain this to me.... i dont get it Rainwater seeps through the earth’s surface and into the geothermal reservoirs over thousands of years. Studies

The table below shows the energy of a 10 kg ball as a function of velocity. How much energy will the ball have at 10 m/s? velocity 0,2,3,6,10 energy 0,24,5

A salesman commission on a$150,000 sale is $3000 what percentage is his commission

three point charges are positioned on the x-axis 64 uc at x=ocm , 80uc at x=25cm, and -160 uc at x=50 cm. what is the magnitude of the electro static force act

What maintenance level designator should identify the operators manual for vehicle

graph the line below x-3y=3 yellow dark green dark blue red

5 1/2ft= _____________in