trinip2010 trinip2010

02-10-2016
Mathematics

contestada

how to solve equations
3y-2x=11
y+2x=9

Respuesta :

princegn princegn

02-10-2016

3y-2x=11
y+2x=9
just plus them
4y = 20
y = 5
put y = 5 in y+2x=9
5 + 2x = 9
2x = 9 - 5
2x = 4
x = 2
thus x = 2
y = 5

Answer Link

02-10-2016

1. y=9 and x=8
2. y=-29 and x=20

Answer Link

Otras preguntas

how do "apply yourself" and "see it through" use repetition to convey meaning

A calorie is the amount of heat needed to raise the temperature of.

7- Simplify each expression. -8+2(-5)

What kind of charge do protons neutrons and electrons have.

Everyone in the North opposed slavery and fought against it. Question 9 options: True False.

Which statement best describes how the Great War affected Europe? Because of the long stalemate, fewer than one million soldiers died. Countries agreed to stop

0.25+45= what is the correct answer please help

The artist _____ challenged traditional paintings by creating paintings with irregularly shaped supports.

what were the provisions of the treaty of pairs

How does Mutation occurAnd its affect on evolution