Answer:
x 
6
Place a 0 in the center of your line. Mark 6 units to the right and fill in a circle at the number 6. Then draw an arrow starting at the number 6 to the left. This should all be done on the line aka your graph.
Step-by-step explanation:
Expand
2x + 6 18
Solve for x
2x 12
x 6
Answer:
38 and 21
Step-by-step explanation:
add 12+12+15 =38
add 6+6=12
take away 15-12=3
and then add 18+3=21
Answer:
8
Step-by-step explanation:
The perimeter is the sum of the 3 sides of the triangle.
let the other 2 sides be x and x - 3 , then
12 + x + x - 3 = 31
2x + 9 = 31 ( subtract 9 from both sides )
2x = 22 ( divide both sides by 2 )
x = 11 and x - 3 = 11 - 3 = 8
The 3 sides are 12, 11, 8
with shortest side 8
Answer:
Terms: 4b, 7b, 5
Like Terms: 4b, 7b
Coefficients: 4, 7
Constants: 5
Step-by-step explanation:
Terms: the numbers in an equation
Like Terms: terms that have the same variables
Coefficients: numbers that are next to a variable
Constants: numbers that don't have a variable
