jasmineyonishp74q0g jasmineyonishp74q0g

13-04-2018
Mathematics

contestada

4x-7y=2 -8+7y=-18 please help me hah im confused

Respuesta :

jingbang1126p711gt jingbang1126p711gt

13-04-2018

-8 + 7y = - 18
7y =10
y =10/7

Substitute y = 10/7 into first equation
4x - 7 (10/7)=2
4x - 10 =2
4x = 12
x = 3

Thus, the solution is x = 3 and y = 10/7

Answer Link

Otras preguntas

The Declaration of Independence argued that: the British parliament and population were to blame for the evils imposed upon the colonists people should revolt w

A pattern of fat being predominantly distributed around the hips and thighs, more common in women, is known as __________. A. gynoid obesity B. android obesity

Which statement best describes an immediate reaction to Martin Luther King Jr.’s 1968 assassination? There was a nationwide search for Sirhan Sirhan, his assass

John has two sisters and two brothers. Three of the five children in the family have dark brown hair, one has red hair, and one has light brown hair. The variat

Which of the following did labor organizers believe was necessary, in order for industrial workers to gain wage increases? Mandatory union participation governm

Find the domain of f(x)=square root x^2−36. Select one: a. x≥6 or x≤−6 b. x≥36 c. all real numbers d. x≥6

The caste system of ancient India did which of the following? A. It provided the basis for military success. B. It led to rapid cultural change. C. It limited s

Forests, mountains, rivers, and marshes are examples of the wide variety of ecosystems in net york state. The diversity of these ecosystems is most likely the r

How many moles of glucose (C6H12O6) are in 1.5 liters of a 4.5 M C6H12O6 solution

Mason used 1/6 of a gram of honey to make 1/12 of a pan of pudding. How many grams are needed to make a full pan of pudding?