Step 1 : Simplify both sides
-5(6a+21)=-15
(-5)(6a)+(-5)(21)=-15
-30a-105=-15
Step 2 : Add 105 to both sides
-30a-105+105=-15+105
-30a=90
Step 3 : Divide both sides by -30
-30a=90
—————
-30 -30

a = -3

7 0

4 years ago

How are repeating decimals used in real-world situations

kumpel [21]

Amount of money and checks could be one...

4 0

3 years ago

Read 2 more answers

In the figure below, the areas of rectangles A, B, and C are 12, 24, and 40, respectively. Find the area of rectangle D.

ser-zykov [4K]

Answer:

In the figure below, the areas of rectangles A, B, and C are 12, 24, and 40, respectively. Find the area of rectangle D.

Step-by-step explanation:

here is the picture:

3 0

3 years ago