#### Translate and solve 2

Translate the text into a linear equation that depends on x. Then solve this equation and enter the calculated x value into the free field. "Multiply a number by 5, add 8, subtract twice the number. You get the sum of 10 and 7."
# Terms with variables
# Linear equations

Training
9

#### Translate and solve 1

Translate the text into a linear equation that depends on x. Then solve this equation and enter the calculated x value into the free field. "Multiply a number by 6, subtract 15 from it, add four times the number, you get the sum of 25 and 13."

# Linear equations

Training
9

#### Mathematical translation

Which of the equations fit the text? Mark with a cross. "If you subtract the sum of 13 and 7 from 28, you get twice an unknown number."
# Terms with variables
# Linear equations

Reasoning
9

#### Solve the linear equation 6

Solve the linear equation and type the value of x in the solution field. 8⋅(x - 12) = - 411 - (x - 45)⋅7

# Linear equations

Training
9

#### Solve the linear equation 5

Solve the linear equation and type the value of x in the solution field. 3 ⋅ (x + 1) + 9 ⋅ (x - 3) = 4 ⋅ (x + 1) + 4

# Linear equations

Training
9

#### Solve the linear equation 4

Solve the linear equation and type the value of x in the solution field. 5 ⋅ (x - 3) = 4 ⋅ (x - 1)

# Linear equations

Training
9