Answer/Step-by-step explanation:
[1] x+9+1+3x
Add the numbers
x + 10 +3x
Combine like terms
4x+10
Common factor
2(2x+5)
<u>Solution = </u><u>2(2x+5)</u>
<u>.............................................................................................................................................</u>
[2] 5a+6c+2a+3c
Combine like terms
7a+6c+3c
Combine like terms
7a+9c
<u>Solution</u><u> = 7a + 9c</u>
<u>...............................................................................................................................................</u>
[3] 5n+6m+3n
Combine like terms
8n + 6m
Rearrange terms
6m + 8n
<u>Solution </u><u>= 6m+8n</u>
<u>.............................................................................................................................................</u>
[RevyBreeze]
Observe the given figure.
Given: 
To prove: 
Statement
1.
Reason: Given
2. 
Reason: Substitution
3. 
are alternate interior angles.
Reason: Definition of alternate interior angles
4.
Reason: If alternate interior angles are equal, then the lines are parallel.
Answer:
m=5
Step-by-step explanation:
3(5)=15
therefore,
15-7=8
<3
X = 22o
30 + 20 + 3x + 20 + 2x = 180
=> x = 110/5 = 22
Rellene las cajas abajo (F1 - fracción 1 y F2 - fracción 2) y seleccione una de las operaciones (+ - × o ÷):
F1: Oper. F2:
=
Respuesta:
=
10
