ambmundle ambmundle

01-03-2017
Mathematics

contestada

how to use substitution for 4x+3y=13 and x+y=4

Respuesta :

wolf1728 wolf1728

04-03-2017

A) 4x + 3y = 13
B) x + y = 4
B) x = 4 -y Then we substitute this into Equation A

A) 4 (4-y) + 3y = 13
A) 16 -4y +3y = 13
A) -y = -3
y = 3
x = 1

Answer Link

Otras preguntas

how to change 3.25 in to 32.5

Which sentence uses a verb that agrees with its compound subject? A.Either calculators or an adding machine make an accountant's work easier. B.Both cows and

How does oxygen enters the blood and is transported to the cells

What features of Therapsids suggest the group was transitional to reptiles and mammals?

I need to convert this to scientific notation 13,562,600,000,000.00

does 8 have more factors than 9

First, think about what you would like to be doing twenty years hence. Then, find out what education you must have to achieve this goal.a.Fragmentb.Run-onc.Corr

what is the value of the tape diagram if the ratio is 8 to 7 and the total is 195

what is an integral part of blood, which carries nutrients to all parts of the body

Oxygen is released as a waste product by plants during the process of _______. Animals takes in this oxygen and releases it as _______ during the process of ___