02-11-2016
Mathematics

contestada

solve by substitution 3y-2x=10 and x=9-2y

Respuesta :

babygirl0328 babygirl0328

02-11-2016

3y-2(9-2y)=10
3y-18+4y=10
-y-18=10
-y=28
y=-28
3(-28)-2x=10
-84-2x=10
-2x=94
x=-47
so x is -47 and y is -28

Answer Link

Otras preguntas

Which possible discovery would be attributed to an inorganic molecule?

Solve each equation.

Solve for p. 2(p+1)=16 p = 7 p = 7.5 p = 8.5 p = 9

25. The Automation in which special purpose automation is design for only one complex product and it cannot be change.....

WILL MARK BRAINLIEST 1. When is it best to solve a system of equations using graphing? 2. When is it best to solve a system of equations using substitution? 3.

Which of the following best describes how authors use indirect characterization to develop characters in a narrative? Question 5 options: Authors reveal importa

The product of the 2nd and 3rd term of a gp is 972.if the first term is 3/4.find the common ratio.

Give two reasons why a luminous flame is not used for heating purposes. (2mks) a

lesson( The road not taken)What is the central idea of the poem?

Given that MP=QN and MN=QP, identify the additional information needed to conclude that MNPQ is a rectangle.