Solve equations that first involve simplification 2 (x + 3) + 5x = 15

Solve equations that first involve simplification 2 (x + 3) + 5x = 15

Lesson details

Key learning points

  1. In this lesson, we will solve equations that first need some type of simplification.

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4 Questions

Q1.
What is the solution to this equation?
- 0.2
Correct answer: 3
4
9
Q2.
Find the value of the unknown in this equation.
- 4
2
Correct answer: 3
5
Q3.
Find the solution to this equation.
- 14
- 7
15
Correct answer: 7
Q4.
What is the value of the unknown in this equation?
Correct answer: 0.5
14
2
4

3 Questions

Q1.
1. Expand and simplify 4(y - 5) - 4
4y – 16
Correct answer: 4y – 24
4y + 20
4y + 24
Q2.
2. Expand and simplify 5y+ 4 (y - 5)
- 11
9 + 20
Correct answer: 9y – 20
9y + 20
Q3.
3. Solve 3(y + 2) + 2 = 17
y = - 3
y = 17
Correct answer: y = 3
y = 9

Lesson appears in

UnitMaths / Revise - Solving Equations

UnitMaths / Solving equations 2 (Simple algebraic fractions)