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 ▸

Find the value of x when 2x^2 - x - 6 = 0


Use the quadratic formula to find the solutions to x^2+2x-35=0


A 4kg bag of rice costs £3.20 and a 6kg bag of rice costs £5.80. Which bag of rice is the best value for money? Show all your working.


A rectangle has length 3x+6 and width 2x-5. The perimeter of the rectangle is 22cm. What is the value of x?