wyattrhinehart18 wyattrhinehart18

14-10-2019
Mathematics

contestada

2x+8y=54
x+9y=67
Solve the system by subtitution

Respuesta :

fluffyowo fluffyowo

14-10-2019

Step-by-step explanation:

2x +8y = 54

x + 9y = 67

x = 67 - 9y

2(67-9y) + 8y = 54

434 - 18y + 8y = 54

434 - 10y = 54

10y = 54 - 434

10y = -380

y = -38

Answer Link

Otras preguntas

The majority of old people (age 65 and older) are senile (have defective memory, are disoriented, or demented). a. trueb. false

How do I convert 4/5 to a percentage?

How did the 13 colonies contribute to the foundation of the United States?

A mother spent the following amounts of money for ingredients for a family meal: Tomatoes Rice Oil Meat Vegetables №30 №90 #75 #300 N45 Represent the cost of th

Describe the Following Terms and Concepts

If the standard deviation of a set of data is 0.25 find its variance.

9. if you wanted ______, I como with you to the store.

In a triangle the angle opposite to the longer side is greater than the angle opposite to the shorter side (two figures of different measurement must be drawn )

At the same time, a boat and a raft left from two bridges opposite each other. After traveling 30 km, the boat reached the other bridge and went back 20 km to r

Yo pienso ganar el partido.