oofmath
oofmath
12-07-2018
Mathematics
contestada
-x+4(x+3)=9 substitution method
Respuesta :
yuumyllo
yuumyllo
12-07-2018
-x+4(x+3) = 9
Multiplying...
-x+4x+12=9
So,
3x + 12 = 9
Now, subtract
12
from both sides.
3x + 12 - 12 = 9 - 12
3x = -3
Then, divide by
3
.
3x/3 = -3/3
x = -1
Answer Link
VER TODAS LAS RESPUESTAS ( 81+ )
Otras preguntas
What is unit price of a jar 30oz cosr 3.49 to nearest ten?
If a 2000 kg truck accelerates at a rate of 2m/s2, what is the force generated by the truck?
Which of the following pairs are false cognates? fábrica – fabric radio – radio teléfono – telephone examen – exam
Which factors decrease because of protectionism? competition job security domestic production goodwill with trade partners importation of goods?
Meg is moderately active and completes 30 minutes of daily activity above the baseline level. based on the chart, which activity will not increase meg's physica
The number 18 is which % of 15
YU HAVE 1 CASE OF SOAP BARS AND THERE ARE 150 BARS IN A CASE..YU USE 300 BARS OF SOAP PER DAY. HOW MANY CASES DO YOU NEED TO HAVE ENOUGH FOR 7DAYS?
translating to algebraic expression
At higher elevations water boils at lower temperatures. the temperature at which water boils is called the boiling point of water. at sea level the boiling poin
What does nucles do as a function in a cell?
