justarandomgirll justarandomgirll

08-12-2020
Mathematics

contestada

3x + 2y = 8
2x + 5y = -2
Solve the simultaneous equations.

x=
y=

3x 2y 8 2x 5y 2 Solve the simultaneous equations x y class=

Respuesta :

saranassirismail saranassirismail

09-12-2020

Answer: (4,-2)

Step-by-step explanation:

3x + 2y = 8

2x + 5y = -2

so: x= 8÷3 - 2÷3 y

and 2x + 5y= -2

2( 8÷3 -2÷3y) + 5y = -2

y= -2

x= 8÷3 - 2÷3 x (-2)=

x= 4

Answer Link

Otras preguntas

An analogy active transport

How did colonies in Virginia and Massachusetts differ in their concept of freedom?

Think about the excerpts you read. Then write two to three sentences in which you state three elements of democracy laid forth in the Fundamental Orders of Conn

Covalent compounds *a, are mostly soluble in waterООb. are formed between atoms ofmetals and non-metalsOc. are formed by the sharing ofelectrons in the bonding

Fill in the blank with the correct word or phrase.Rememberthe garage afteryour projectOO closing, finishingO closing, to finishO oO to close, finishingO to clos

I just need no. a please help me to prove this.

What is the product of the expressions? Assume y ≠0 (2y-1/y^2)(3y^2/7)

Kiran starts at 9:00 am by bicycle to reach office. She cycles at the speed of 8 km/hour and reaches the office at 9:15 am. By how much should she increase the

1. What is the mass of 2.65×1023 atoms of lithium? grams

Put the following statements in order__Hagrid gives dudley a pig tail__Harry and the Dursleys awaken to a loud knocking at the door__Hagrid tells Harry that his