BadBunny99 BadBunny99
  • 11-01-2017
  • Mathematics
contestada

Complete the solution of the equation. Find the value of y when x equals 4.
-3x+9y=-57

Respuesta :

olemakpadu
olemakpadu olemakpadu
  • 11-01-2017
-3x + 9y = -57        x = 4

-3*4 + 9y = -57

-12 + 9y = -57

9y = -57 + 12

9y = 12 - 57

9y =-45          Divide through by 9.

y = -45/9

y = -5

Hope this helped.
Answer Link
Alykiara
Alykiara Alykiara
  • 11-01-2017
-3x+9y=-57
-3(4)+9y=-57
-12+9y=-57
+12 +12
9y=-45
Y=-5
Answer Link

Otras preguntas

What was a result of the Plessy v. Ferguson decision in the South? a.) Black and white southerns trusted each other more B.) Black and white southerns never sp
John can build a fence in two days; Bill can build the same fence in five days. If john and Bill worked together, how long would it take them to build the fence
what helped the settlers travel on rivers
0.75 mi equal how many yards
Stems tend to grow in Or against the direction of gravity
which container holds more , a half gallon milk jug or a 2-liter juice bottle
What effect did trade have on early cultures?
find f(a-2) when f(x)=x^2-1 I forgot how to do these so please show all steps
Sum of one half t and one-third s
Hi I just have a question how do you divide 18/32 with out a calculator. If I divide it in a piece of paper it comes out a different answer that is not correct