Answer:
A side is added to each image.
Step-by-step explanation:
One line is added each time.
Answer:
-2
Step-by-step explanation:
5[3x+4)]=-10
15x+20= -10
15x=-30
x= -2
Answer:
A biker takes 10 hours to drive 60 miles.
Step-by-step explanation:
Answer:
Substitution property of equality
Step-by-step explanation:
Given
and 
Then

Required
State the property
From the list of options, (d) answers the question.
This is so because:
Substitution property of equality states that
If
then 
In other words, both can replace one another.
So if
, then 2y + 1 can be substituted for x in
So:
becomes

<em>Hence, it is substitution property of equality</em>
Answer:
32°
Step-by-step explanation:
This is an equilateral triangle which means all three sides of the triangle is equal so is the angles.
Therefore the value of x is : 2x - 4 = 60° ➡ 2x = 64° ➡ x = 32°