paddikakes55 paddikakes55
  • 04-06-2017
  • Mathematics
contestada

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

Respuesta :

azhangstuy
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

What is the estimate for 200,629+28,542
96 divided by 6 in distributive property
The rain shadow effect is used to describe rainfall around certain mountain ranges. Which of the following statements is true? (A) The northern hemisphere and
the cube of x plus 5
a tank 4/5 full needs 75 liters to fill it up. how many liters does it hold when full? - help please :3 xx
Emma and jamie used base-ten blocks to show that 40 is one-tenth of 400
A pitcher on a baseball team has pitched 98 2/3 innings. What is the number of innings written as a decimal?
Express as a unit rate: 2400 miles in 48 hours.
How do you solve this problem 9a+10(6a-1)
Word form 67.943 answers please