standsie000 standsie000

31-03-2022
Mathematics

contestada

Solve using substitution. 7x + 9y = –7 y = 7

Respuesta :

kawaiixmitsu kawaiixmitsu

31-03-2022

Answer:

[tex]x = - 10[/tex]

Step-by-step explanation:

[tex]7x + 9y = - 7[/tex]

[tex]7x + 9(7) = - 7[/tex]

[tex]7x + 63 = - 7[/tex]

[tex]7x + 63 - 63 = - 7 - 63[/tex]

[tex]7x = - 70[/tex]

[tex]7x \div 7 = - 70 \div 7[/tex]

[tex]x = - 10[/tex]

Answer Link

Otras preguntas

Every successful oral presentation to literature includes ?

A miniature golf course includes a hole with a windmill. Players must hit the ball through the opening at the base of the windmill while the blades rotate. The

When writing a research paper, you should express different views of the topic. true false?

phosphorus is found in what?

True or false: adults need about 10 grams of protein for every 20 pounds of body weight.

The rotating loops of currents that occur in the ocean are referred to as _____. the coriolis effect the kuroshio current the canary current gyres

The major functions of skin are protection, absorption, and secretion. given these functions, which major tissue type forms the skin? a. connective b. epithel

Why do the complex characters in Shakespeare's plays appeal to a wide audience?

Penny is a folklorist who studies myths and stories from different cultures around the world. She notices that there are some character types that appear freque

What is the term for falsification or invention of any information, citation, data, or document? a. collusion b. misrepresentation c. fabrication d. plagiar

ACCESS MORE EDU ACCESS