princessbrianna113 princessbrianna113
  • 03-12-2021
  • Mathematics
contestada

2x-3y=9. -5x-3y=30 elimination

Respuesta :

robertphilemon73
robertphilemon73 robertphilemon73
  • 03-12-2021

7x=-21

x=(-21÷7)

x=-3

then

2x-3y=9

(2×-3)-3y=9

-6-3y=9

-3y=9+6

-3y=15

y=(15÷-3)

y=-5

Answer Link

Otras preguntas

help plz on question 7​
Find the perimeter of each polygon. Assume that lines which appear to be tangent are tangent. * 25.9 1B 23.9 19.6​
compare 3*4*5 and (-3)*(-4)*(-5) ASAP.Is it less greater or equal to?
Define self assessment
What is the slope of the line?
Herschel Supply Co backpack costs $54.99. Take $15.00 off the original price. Calculate the percent you saved on the backpack. Round to the nearest percent.
Write the equation of the line that passes through the point (-4,-3) and has a slope of 5?
What is the decimal equivalent of 7/8​
How many mL of 0.40 M barium chloride are needed to react 175 mL of 1.50 M ammonium phosphate in the precipitation of barium phosphate?
2.0 M H2SO4 solution.calculate the pH​