Answer:
−5x+27
Step-by-step explanation:
Answer:
<h2>Question 13 : x = 62°</h2>
<h2>Question 14 : x = 2</h2>
Step-by-step explanation:
Question 13
The diagram in question 13 is a triangle.
The sum of interior angles of a triangle is equal to 180°
To solve for x ;

Question 14
(: represents ratio or /)
x/9 = 18/81
Cross Multiply
81x = 18×9
81x = 162
Divide both sides of the equation by 81
81x/81 = 162/81
x = 2
Answer:

Step-by-step explanation:

Hope this helps.
Answer:
x=10
Step-by-step explanation:
2x/5 = 4
2x=5×4
x=20/2=10