Velma107 Velma107

10-03-2017
Mathematics

contestada

What is the solution using the substitution method for x+4y=18; x+8y=38

Respuesta :

toleratingexist toleratingexist

10-03-2017

x+4y=18
4y=18-x
4y-18=-x
-4y+18=x

x+8y=38
-4y+18+8y=38
4y=20
y=5

Answer Link

Otras preguntas

Match each of the following descriptions with the correct brain structure(s). Drag the terms on the left to the appropriate blanks on the right to complete the

u(x)= x^2+1 w(x)= √x+6 Find the following. (u o w) (3)=__ (w o u) (3)=__

Write a story that ends with the words, 'I've had enough adventures.'

Help ASAP only right answers only no spam don’t answer if you don’t know

what is the equation of the parabola?

Microorganisms are classified as bacteria, fungi, protozoa and algae. Viruses are not explicitly categorized as microorganisms. Give reason.

Plant species A has two alleles for leaf color. If plant species B has four alleles for leaf color, how will the two species differ in their appearance? A. Spec

the theater sells two types of tickets: adult tickets for $6 and child tickets for 5$. last night, the theatre sold a total of 375 tickets for a total of $2153.

Can someone help me with this math homework please!

What is the biggest problem of over use of pesticides

good job