## All Tasks

#### Equivalent equations 2

Select the equivalent equations
−3 (2x − 1) = − 3 (x − 5)

# Linear equations

Training

7

#### Equivalent equations

Select the equation equivalent to
3(x – 6) – 8 = 7x – 8

# Linear equations

Training

7

#### Algebraic language and transformations of linear equations

Six times the preceding of a number plus its double is equal to the opposite of the number consecutive to that number.

# Unassigned

Training

7

#### Solving linear equations (variables in numerator and denominator)

Solve the linear equation
$\frac{x+2}{2x+2}-\frac{1}{2}=\frac{x+4}{4x+4}$

# Unassigned

Training

7

#### The trip

Last Saturday John went for a trip. He traveled $\frac{3}{5}$ of the trip by train, $\frac{7}{8}$ of the remaining distance by car, and finally, he cycled the last 26 km. What was the total distance, in km, of the trip?

# Linear equations

Modeling

8

#### Find the terms of the function

Use the following function rule $f(x)=x^2$ to fill in the following blanks

# Quadratic functions

Reasoning

9