jzellers18 jzellers18

17-05-2022
Mathematics

contestada

3x+5y= -9
Y= 2x-7
Use substitution to solve the system

Respuesta :

FromEarth FromEarth

17-05-2022

Answer:

x = 2

Step-by-step explanation:

3x + 5y = -9 ___(1)

y = 2x - 7

Substituting y's value in (1) ..

3x + 5( 2x - 7) = -9

3x + 10x -35 = -9

13x = -9 + 35

13x = 26

x = 26/13

x = 2

Answer Link

Otras preguntas

Need a little bir of help

cognitive disabilities include challenges in concentration, memory and decision-making. as well as challenges with reading,

PLS HELP ASAP 50 points

7. Multiply the polynomials. (2x³ + 4x² − 5x)(x³ + 2x - 1)

Which of the following was not discussed in the text and lecture as a benefit of using degrees of confidence instead of binary belief? Select one: a. it helps u

a disc of mass m and radius r rolls without slipping inside a curved surface of radius r. its moment of inertia is 1/2mr2. knowing that the disc is related from

the area of a sail on a boat is 30 square feet and the height is 5 foot. what is the length of the other side

Determine the type of correlation for the data(positive, negative). Determine the value of the correlation coefficient and the strength of the correlation. Writ

Dana has a history of iron-deficiency anemia and she is being particularly careful during her pregnancy to ensure she is getting enough iron. Each morning, she

A student applies a force F at an angle of Î¸ below the horizontal to a 50 kg desk, which causes the desk to move across the room at a constant speed. Angle Î¸=