27-06-2021
Mathematics

contestada

Solve the simultaneous equation:
8d - 4e = 28
6d + 3e = 3

Respuesta :

Asmae16 Asmae16

03-07-2021

Answer: d=2 and e= -3

Step-by-step explanation:

(8d-4e=28)*3 => 24d-12e=84

(6d+3e=3)*4 => 24d+12e=12

24d+24d-12e+12e=84+12

=> 48d=96

=> d=2

d=2 => 8*2-4e=28

=> e= -3

Answer Link

Otras preguntas

Need help with these 3 equations. please.

A student wants to determine if there is a difference in the pricing between two stores for health and beauty supplies. She recorded prices from both stores for

Add. Write your answer as a fraction or as a whole or mixed number.4 7/11 + 7 8/11

how many grams of zinc will be formed if 32 G of copper reacts with zinc nitrate copper 1 nitrate is the other product

Factorise x squared + 7x minus 120

I need the mid point

i dont uderstand dis my teacher no helping pls help me i need to understand TEch

Question 19 ot 25 A ball dropped from various heights is used to model the effect of gravity on a falling object. What is a limitation of this model? OA. A ball

How do you select a single cell, a single column, a single row, a cluster of cells, and a entire worksheet?

f(x + 1) = 3x - 7 f(x) = ? Cevabi kitabda=3x-10 Nasil yapmiş kitabda