How do I simplify the equation 4x + 5x -2 - 2x + 7?

To simplify an equation the x terms can be collected together to give: 4x + 5x - 2x = 7x

The numbers can be collected together to give: -2 + 7 = 5

Which then when put together makes 7x + 5

NB

Related Maths GCSE answers

All answers ▸

Evaluate x^2 +2x -4 = 0


Show that (x+1)(x+2)(x+3) can be written in the form ax^3 +bx^2 + cx + d where a,b,c,d are positive integers.


c) Sharon is organising an event. The tickets cost 12 pounds each. Sharon paid 200 pounds for the cost of the event. How many tickets will Sharon have to sell to make a profit? (2 marks)


Solve the simultaneous equations: 2x + y = 5 , x + 4y = -22