alyssagodina2005 alyssagodina2005

17-06-2020
Mathematics

contestada

What is the value of x in the equation 3x - y = 18, when y= 27?
O 5
O 7
O45
O 63

Respuesta :

henryshanique henryshanique

17-06-2020

Answer:

Step-by-step explanation:3x-y=18

y=27

Therefore 3x-(27)=18

3x=18+27..Nb when the 27 is now being added instead of subtracted.

3x=45

3x/3=45/3 Nb the 3 is now being divided instead of being multiplied.

Therefore X=15

Answer Link

Otras preguntas

find the interior angle of a regular polygon which has 6 sides

Which of the following is considered to be a vector? A. Temperature B. Velocity C. Time D. Mass

5.(04.07) Two different plants grow each year at different rates, which are represented by the functions f(x) = 4* and g(x) = 5x + 2. What is the first year the

Genetic diversity is the variation in the genes of an entire species. Each circle represents a population of a particular species in different habitats. Select

A swim teacher sells lesson packages. The best deal has the highest ratio of lessons to total cost.Swim Lesson PackagesNumber of Lessons Total Cost$10$4010 1 $8

what number should be added to the expression x^2+3x+___ in order to create a perfect square trinomial? 3/2 3 9/4 9

write each improper fraction as a mixed number. 9/4. 8/3. 23/6. 11/2. 17/5. 15/8. 33/10. 29/12.

What is the value of

merci beaucoup!!!!!!!!!!

in positive numbers less than 1, the zeros between the decimal point and non zero are _____ significant