1. The document contains 12 math word problems divided into multiple sections. It provides the problems and asks the student to solve them. The problems involve topics like solving equations, ratios, geometry, prices, and comparisons between quantities. 2. The document is written in Spanish and provides the name of the student and teacher. It appears to be a homework assignment where the student must show the steps to solve the various math word problems. 3. The format includes numbering each problem, stating the problem, and sometimes including additional context or variables. The student is expected to show the work and solutions for each problem.

1. UNIT 09 April
1. Solve:
𝒂𝒂) 𝒙𝒙 + 𝟑𝟑 = 𝟒𝟒
𝒃𝒃) 𝟓𝟓 + 𝒙𝒙 = 𝟒𝟒
𝒄𝒄) 𝟎𝟎 = 𝒙𝒙 + 𝟔𝟔
𝒅𝒅) 𝟏𝟏 = 𝟗𝟗 − 𝒙𝒙
𝒆𝒆) 𝟐𝟐 − 𝒙𝒙 = 𝟒𝟒
𝒇𝒇) 𝟔𝟔 = 𝒙𝒙 + 𝟖𝟖
𝒈𝒈) 𝟒𝟒 = 𝒙𝒙 − 𝟖𝟖
𝒉𝒉) 𝒙𝒙 − 𝟐𝟐 = −𝟔𝟔
2. Solve:
𝒂𝒂) 𝟑𝟑𝒙𝒙 − 𝟐𝟐 = 𝟎𝟎
𝒃𝒃) 𝟒𝟒𝒙𝒙 + 𝟓𝟓 = 𝟏𝟏𝟏𝟏
𝒄𝒄) 𝟐𝟐𝒙𝒙 − 𝟓𝟓 = 𝟗𝟗
𝒅𝒅) 𝟖𝟖 − 𝟑𝟑𝟑𝟑 = 𝟐𝟐
Axel Cotón Gutiérrez Mathematics 1º ESO Exercises – 1.9.2.1

2. UNIT 09 April
𝒆𝒆)
𝒙𝒙
𝟐𝟐
+ 𝟒𝟒 = 𝟕𝟕
𝒇𝒇)
𝒙𝒙
𝟑𝟑
− 𝟐𝟐 = 𝟑𝟑
3. Solve:
𝒂𝒂) 𝒙𝒙 + 𝟏𝟏 = 𝟔𝟔
𝒃𝒃) 𝒙𝒙 + 𝟖𝟖 = 𝟑𝟑
𝒄𝒄) 𝒙𝒙 − 𝟐𝟐 = 𝟒𝟒
𝒅𝒅) 𝒙𝒙 − 𝟔𝟔 = 𝟕𝟕
𝒆𝒆) 𝟒𝟒𝒙𝒙 = 𝟏𝟏𝟏𝟏
𝒇𝒇) 𝟒𝟒𝒙𝒙 = 𝟐𝟐𝟐𝟐
4. Solve:
𝒂𝒂) 𝟓𝟓𝒙𝒙 − 𝟒𝟒𝟒𝟒 = 𝟗𝟗
𝒃𝒃) 𝟕𝟕𝒙𝒙 − 𝟐𝟐𝟐𝟐 = 𝟏𝟏𝟏𝟏
𝒄𝒄) 𝟖𝟖𝒙𝒙 − 𝟓𝟓𝟓𝟓 = 𝒙𝒙 + 𝟖𝟖
Axel Cotón Gutiérrez Mathematics 1º ESO Exercises – 1.9.2.2

3. UNIT 09 April
𝒅𝒅) 𝟑𝟑𝒙𝒙 + 𝟔𝟔 = 𝟐𝟐𝟐𝟐 + 𝟏𝟏𝟏𝟏
𝒆𝒆) 𝟓𝟓𝟓𝟓 − 𝟕𝟕 = 𝟐𝟐 − 𝟒𝟒𝟒𝟒
𝒇𝒇) 𝟑𝟑𝒙𝒙 + 𝒙𝒙 + 𝟒𝟒 = 𝟐𝟐𝟐𝟐 + 𝟏𝟏𝟏𝟏
𝒈𝒈) 𝟒𝟒𝟒𝟒 + 𝟕𝟕 − 𝒙𝒙 = 𝟓𝟓 + 𝟐𝟐𝟐𝟐
𝒉𝒉) 𝟖𝟖 − 𝒙𝒙 = 𝟑𝟑𝟑𝟑 + 𝟐𝟐𝟐𝟐 + 𝟓𝟓
5. Solve:
𝒂𝒂)
𝒙𝒙
𝟑𝟑
= 𝟓𝟓
𝒃𝒃)
𝒙𝒙
𝟓𝟓
− 𝟏𝟏 = 𝟐𝟐
𝒄𝒄)
𝟐𝟐𝒙𝒙
𝟓𝟓
+ 𝟑𝟑 = 𝟕𝟕
𝒅𝒅)
𝒙𝒙
𝟐𝟐
+
𝟓𝟓𝟓𝟓
𝟐𝟐
= 𝟗𝟗
Axel Cotón Gutiérrez Mathematics 1º ESO Exercises – 1.9.2.3

4. UNIT 09 April
6. Solve:
𝒂𝒂) 𝟕𝟕 − (𝟏𝟏 − 𝟑𝟑𝟑𝟑) = 𝟏𝟏𝟏𝟏
𝒃𝒃) (𝟑𝟑𝒙𝒙 − 𝟐𝟐) − (𝟐𝟐𝟐𝟐 + 𝟑𝟑) = 𝟎𝟎
𝒄𝒄) (𝟐𝟐𝒙𝒙 − 𝟏𝟏) − (𝒙𝒙 − 𝟕𝟕) = 𝟐𝟐
𝒅𝒅) 𝟑𝟑(𝟐𝟐𝟐𝟐 − 𝟏𝟏) − 𝟏𝟏 = 𝟓𝟓(𝟑𝟑𝟑𝟑 − 𝟐𝟐) + 𝟑𝟑
7. How many cows has a rancher knowing that we count 222 between horns and
paws?
Axel Cotón Gutiérrez Mathematics 1º ESO Exercises – 1.9.2.4

5. UNIT 09 April
8. How many hens are in a henhouse if counting peaks, legs and crests come out
88?
9. A kilo of cherries costs two euros more than one kilo of pears. Lara has paid € 8
for three kilos of pears and one of cherries. What is the price of each one?
10. The base of a rectangle is twice the height, and the perimeter measures 48 cm.
What are the dimensions of the rectangle?
Axel Cotón Gutiérrez Mathematics 1º ESO Exercises – 1.9.2.5

6. UNIT 09 April
11. The price of oranges has risen € 0.20 per kilo. Five kilos cost the same yesterday
as today four kilos. What is the price of oranges?
12. Fátima has 50 stamps more than Araceli. If Fátima gaves her 8 stamps, she
would still have the triple. How many stamps does each have?
Axel Cotón Gutiérrez Mathematics 1º ESO Exercises – 1.9.2.6