who221b who221b

11-05-2016
Mathematics

contestada

What is the solution for this system of linear equations?
{23x+4=y
4−2x=y

Respuesta :

apologiabiology apologiabiology

11-05-2016

we can subsitute since
23x+4=y and
4-2x=y
therefor
23x+4=y=4-2x
so
23x+4=4-2x
minus 4 on both sides
23x=-2x
add 2x to both sides
25x=0
divide both sides by... uh oh
I guess x=0

sub
4-2(0)=y
4-0=y
4=y

the solution is (0,4)

Answer Link

Otras preguntas

A children's wading pool is in the shape of a right circular cylinder, and has a diameter of 6 feet. The pool is filled to a uniform depth of 1.5 feet. Which o

1. Possible gamete genotypes produced by an individual of genotype PpDd are a) Pp and Dd b) all PpDd c) PD and pd d) PD, Pd, pD, and pd

A stainlesss steel cylinder diameter 60 mm is cooled in a air with h = 10 W/m^2-K. If the thermal conductivity is 20 W/m-K, the Biot number for this sphere is a

Read these lines from Shakespeare's "Sonnet 100.” Where art thou, Muse, that thou forget'st so long To speak of that which gives thee all thy might? Spend'st th

How do i fix the ads at the bottom of my TCL tv

Ustedes no blank blank por la manana

solve this quadratic function algebraically Please expalin how you got your answer F(X)= 3x2-6

the area of this rectangle is 4x^2.what does the coefficient 4 mean in terms of the problem?

Gordon Chemicals Company acquires a delivery truck at a cost of $31,000 on January 1, 2017. The truck is expected to have a salvage value of $2,000 at the end o

Read the following excerpt from Frederick Douglass's "Learning to Read and Write" and answer the question As I writhed under it. I would at times feel that lear