Answer:
Lay the proper scale next to the item on the drawing and take the measurement. The scale will translate for you. As an example, a 1/4 inch = 1 foot architect scale will have markings that increase by 1 foot every 1/4 inch; a 4 foot wall is represented by a 1-inch length, if measured with a conventional ruler.
Step-by-step explanation:
7(x+3)
= 7x+ 7*3 (distributive property)
= 7x+ 21.
The final answer is 7x+21~
U can do a rectangle and put 5 on the right side and 3 on the left then u can put 3.5 then by the retangle put = 15 cm hope this helped tried my best