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

List the four fundamental forces in order of increasing strength

Choose ONE of the prepositions a, de, or en to complete the sentence. Ricardo está _____ el etadio. A. aB. deC. en

Describe three problems that occur in a centrally planned economy.

If a gradient of line b is -3 what is the gradient of the line perpendicular to b

(I appreciate help) Rationalize the denominator : 3 * sqrt(2) / (2*sqrt(3) - 5*sqrt(2) )

You are jogging in an urban area and come upon some lying on the ground. What is the first step in managing this case?

What will happen if the prince waits to act? He will gain more support from the people of England. They will be better able to defend themselves. The peo

A triangle has sides with lengths of 18 centimeters, 68 centimeters and 74 centimeters. Is it a right triangle?

Which nail structure contains many nerves and blood vessels for continuous nourishment?

Two numbers have theses properties . both numbers are greater than 6 . their hcf = 6 . their lcm = 60. what are the two numbers