Solve 5(x + 3) < 60

Firstly multiply out the brackets. This would equal 5x + 15 < 60. Now move all the x terms onto one side and all the constants on to the other side. You can do this be doing minus 15 to both sides. 5x < 45. Then, divide by 5, x<9. This is the answer.

AS

Related Maths GCSE answers

All answers ▸

Factorise and solve the quadratic : 3x^2 + 15x +18 = 0


If the hypotenuse of a triangle is 7cm and another side is 4cm, what's the length of the other side? How can I work this out?


Make a the subject of a+3=(2a+7)/r


Solve the simultaneous equations 3x+2y=8 and 3y+4x=11