paddikakes55 paddikakes55

04-06-2017
Mathematics

contestada

2x - 3y = -12
y = 9 - x
Solve by substitution

Respuesta :

azhangstuy azhangstuy

04-06-2017

2x - 3(9-x) = -12

2x-27+3x=-12

5x-27=-12

5x=15

x=3

y=9-x
y=9-3

y=6

x=3
y=6

Answer Link

Otras preguntas

The selling price of an article is Rs 270. If the article was sold at 10 % discount from the marked price, find the marked price.

What are the main strengths and weaknesses of each of the competitive strategies: home replication, multidomestic, regional, global, and transnational? What cha

Pls answer fast (√3 + √11)² + (√3 - √11)²

Which answers describe the shape below? (MULTIPLE ANSWERS)(Picture above)A. Quadrilateral B. ParallelogramC. Rectangle D. Trapezoid E. RhombusF. Square

What phase of mitosis is shown in the diagram below

Solve the problem. The length of a rectangular room is 9 feet longer than twice the width. If the room's perimeter is 198 feet, what are the room's dimensions?

Help please help! Please help..

What is the scale factor from ABC to DEF? A. 2 B. 1/2 C. 3 D. 1/3

Consider all seven-digit numbers that can be created from the digits 0-9 where the first and last digits must be odd and no digit can repeat. What is the probab

MY POST Where the integrity of a system is more important than the confidentiality or availability of that system? In the case of financial information, integr