greenorb
greenorb greenorb
  • 25-01-2021
  • Mathematics
contestada

Solve the system of equations - x - 2y = 3 and 3x + 7y = -14 by combining the equations.​

Respuesta :

sherrymadeline123 sherrymadeline123
  • 25-01-2021

Answer:

x=7

y=-5

Step-by-step explanation:

multiply first equation by 3 and add the 2 equations together. plug y back into the equation

Answer Link

Otras preguntas

A small, rounded depression on a bone that is meant for articulation is called a(n) a. fossa b. trochanter c. tuberosity d. condyle e. foramen
Which statement(s) are true about metamorphosis: multiple choice. it is a highly complex genetic process it is completely governed by preexisting genetic inform
Use the definitions and theorems of this section to evaluate and simplify the following expression. Be sure to express answers with positive exponents. (b^4)^2
Help me out here please
Estos animales son pequeños, blancos y negros y viven en clima muy frío a. cebras c. gorilas b. pingüinos d. hienas
Give an example each of a solution, suspension, and colloid.
The Occlusal refers to what part of the tooth? a. Surface of the tooth that faces away from the midline b. Surface of the tooth that face the tongue c. Chewing
the turning effect of force is called​
What is the probability that a randomly drawn hand of four cards contains all black cards or all face cards? The probability is 6 Round to four decimal places a
Read the sentence carefully. Which revision corrects the error? That music reminded me I remember it well about the adventure we had. That music reminded me (I