vizhnay9615 vizhnay9615
  • 01-12-2020
  • Mathematics
contestada

Solve the system by elimination. . 4x-9y=-21 , -4x-3y=9

Respuesta :

Emersoncushing
Emersoncushing Emersoncushing
  • 01-12-2020
(-3, 1)
4x-9y=-21
+-4x-3y=9
-12y= -12
y=1

4x- 9(1)= -21
4x-9=-21
+9 +9
4x= -12
x=-3
Answer Link

Otras preguntas

what happens when a solid compound dissolves in water?
Which element is not part of Aristotle’s rhetorical triangle theory? ethos logos anaphora pathos
which of the following statements best describes James audubon's intentions when he painted the wild turkey
What British practice was a violation of neutral rights?
Dejean tells his boss that he has been summoned for jury duty. His boss tells him that things are busy at work, and that he cannot attend jury duty. Which of th
Too complicated for me! Please help!
The attraction of the positive end of one molecule for the negative end of a neighboring molecule is a(n) a. covalent bond. c. ionic bond. b. dipole-dipole
How is atomic number and mass related to protons, neutrons, & electrons?
Many radioactive atoms that have large masses undergo radioactive decay by releasing a particle that is identical to a helium-4 nucleus What changes in the ori
The difference of two times a number and eighteen is sixteen.