Equivalent equations

Maths

Which equation is equivalent to 3x - 2 = 4?

Which equation is equivalent to 4x - 2 = 8?

Which equation is equivalent to 3x - 2.5 = 5?

What is the purpose of solving an equation?

Which of the following can be values when solving equations?

What is the value of x for x - 4 = 3x + 2?

What number am I thinking of, if half of the sum of my number and 4 is the same as 3 lots of my number subtracted by 2?

The perimeters of the rectangle and triangle are the sane. What is their perimeter?