elephant2001 elephant2001

03-11-2016
Mathematics

contestada

What is the value of x in the equation 3x – 4y = 65, when y = 4?

Respuesta :

texaschic101 texaschic101

03-11-2016

so we r gonna sub in 4 for y and solve for x

3x - 4y = 65
3x - 4(4) = 65
3x - 16 = 65
3x = 65 + 16
3x = 81
x = 81/3
x = 27...so when y = 4, x = 27

Answer Link

Otras preguntas

what is the sum of 52.38 divided by 16

Simplify the expression. 8 ( 5 + t ) - 6 ( t + 1)

solve using square root or factoring methodplz help!!!!.....must click on pic to see the whole problem

Where is the coastal plain of Brazil? A. north B. south C. east D. west

montel sold 13 popcorn buckets and 13 fruit basket for a fundraiser .the fruit basket cost 20.75 each . if montel rasised a total pf 468.00 how much did each p

Why do substances with weak intermolecular forces form solids at low melting points?

World Geography:Why is South islands west coast called the "Wet Cost"1) It's terrain consists of mostly rainforest.2) Weather systems crossing the Pacific from

At the airport during a 24 hour period 1,440 passengers through the terminal.what is the unit rate of passenger flow?

Which of the following is defined as the movement of individuals to and from a population? Composition Distribution Dynamics Migration

What does darius decide to do with the briefcase at the end of the story?