ryann ryann
  • 02-10-2014
  • Mathematics
contestada

How do I solve a problem like this? 

m-4=2m

Respuesta :

luana
luana luana
  • 02-10-2014
[tex]m-4=2m\ \ \ |Subtract\ m\ from\ each\ side\\\\ -4=m\\\\ m=-4\\\\Solution\ is\ m=-4[/tex]
Answer Link
Аноним Аноним
  • 02-10-2014
m = -4

m-4=2m
-4+m=2m (reorder) 
-4 + 1m + -2m = 2m + -2m (added -2m to both sides)
-4+ -1m =0 (added like terms)
-4 +4+ -1m = 0+4 (added 4 to each side)
-1m = 4
m=-4 (divided by -1)





Answer Link

Otras preguntas

What is the numerator or denominator of 4/5
What is Sir Francis Drake hardships
A pound of seedless red grapes costs $2.75. Drew must spend less than $9.35 on a bunch of seedless red grapes.Inequality:Solution:Interpretation:
in an expression(8/9) squared (-81)+3/5dividedby-9/10
Trying to translate word problems. Five times the sum of 3 and twice some number is 70. what is the number?
Trying to translate word problems. Five times the sum of 3 and twice some number is 70. what is the number?
How many minutes are in 36 hours?
How many minutes are in 36 hours?
A child is standing across the street from his apartment . His mother is on their balcony . The angle of elevation between the child's eyes and his mothers eyes
Nadine can send or receive a text message for 15 cents or get an unlimited number for 5 dollars. Write and solve an inequality to find how many messages she can