kmflexkm
kmflexkm
12-06-2017
Mathematics
contestada
3x + 1 + 5x = 7 +15 + 7x
Respuesta :
Аноним
Аноним
12-06-2017
3x + 1 + 5x = 7 +15 + 7x
Move unknown terms to the left of the equal with changed sign and the known terms to the right of the equal with changed sign.
3x + 5x - 7x = 7 + 15 - 1
x = 21
Answer Link
irspow
irspow
12-06-2017
Combine like terms on each side of the equation...
8x+1=7x+22 subtract 1 from both sides
8x=7x+21 subtract 7x from both sides
x=21
Answer Link
VER TODAS LAS RESPUESTAS ( 29+ )
Otras preguntas
The distance between Madrid and Buenos Aires is 10 050 km. Diego’s flight takes 12 hours 30 minutes. Calculate the average speed, in km/h, for the flight
Help me fill in the blanks
Which of the following sentences shows the correct use of a transition word? Even though I was sick, I went to the doctor. My shoes were new. Likewise, my broth
What is the solution to the inequality 4x>-12
One issue that led to Sparta's difficulty after the Peloponnesian War was
ASAP Not all genes come in pairs! Your blood type is determined by how many different alleles?
What state is the location 40N-75w in ?
who ever answers this gets 25 NON COSTLY points
Choose the answer that is the best topic sentence for the following paragraph. Dawn is a teen who spends much of her social time online. In the past, Dawn used
How fast does this outer layer move usually?
