emmass15 emmass15

02-03-2021
Mathematics

contestada

1. What is the solution of the system
{3x - y = 14
{4x + y = 21 ?
A (−5, 3)
B (4, −2)
C (5, 1)

Respuesta :

surjithayer10otahza surjithayer10otahza

02-03-2021

Answer:

C

Step-by-step explanation:

3x-y=14

4x+y=21

add

7x=35

x=35/7=5

4×5+y=21

y=21-20=1

so (5,1 ) is the solution.

Answer Link

Otras preguntas

what are some physical changes that occur at school? at home ? in nature ?

Ho long does it take for the Moon to show all its faces? Thank you❤

Samuel used 1/5 of an ounce of butter to make 1/15 of a pound of jelly. How many ounces of butter are needed to make a pound of jelly.

written in simplest form, the expression (x^2)(y^2)-9 over 3-xy is equivalent to 1. -1 2. 1 over 3+xy 3. -(3+xy) 4. 3+xy Please show work

Consider the following statement. Fourteen more than 12 times the number equals 37 less than 11 times a number. a. Write an equation to represent the statement.

Write an algebraic expression that is equivalent to the expression. cos⁡(arcsin⁡ (x-h)/r )

can someone help me with number 25

how are plains formed

how can you tell the difference between additive comparison and multiplication comparison

how do you say 'im getting over you' in spanish