saraluba2010 saraluba2010

28-11-2015
Mathematics

contestada

If 5x+15y=45 then 6x-18y=?

Respuesta :

apologiabiology apologiabiology

28-11-2015

so we have 5x+15y=45
simplify and undistribute 5 from both sides
5(x+3y)=5(9)
divide both sides by 5
x+3y=9
multiply both sides by 6
6x+18y=54

if it was 6x+18y then the answer is 54
if it was 6x-18y, then I don't know the answer

Answer Link

Otras preguntas

analyze the diagram below and complete the instructions that follow.

Bats use sound to sense objects by sending out short ultrasound pulses and listening for the echo off the object. A. Sketch the ultrasound pulse leaving the bat

Find the slope of the line that passes through the pair of points. (1,4),(-5,4)

Please help me in this question.show workings.

e) 3x+y = 92x- 7 = 1

How does abortion clash with the principle teachings of christianity? How does it transform the life of the adherent? Please answer these two questions separatl

HELP! What is the solution to the equation below? Round your answer to two decimal places. 4x = 20 A. x = 2.99 B. x = 0.46 C. x = 1.30 D. x = 2.16

How many moles of each product form when the given amount of each reactant completely reacts. C3H8(g)+5O2yields 3CO2(g)+4H2O(g). 4.6 moles of C3H8

The diameter of a sphere is 12 inches.what is the volume of the sphere to the nearest cubic inch ?

Blood flows through a section of a horizontal artery that is partially blocked by a deposit along the artery wall. What is the speed of the blood in the partial