Solve 3x – 5 < 16

Key points: Approach in exactly the same way as if there was an = instead of an <.When trying to solve the inequality, remember that whatever you do to one side of the inequality you must also do to the other.Step 1: Add 5 to both sides of the inequality, leaving you with 3x < 21.Step 2: Divide both sides by 3, leaving you with x < 7.


JM

Related Maths GCSE answers

All answers ▸

f(x) = x^2 + 2x - 3. Where does the graph of the function f intersect the x-axis?


Simplify fully (2a + (b)^0.5)^2


Solve the simultaneous equations, 5x + 2y = 20 , x + 4y= 13


Expand (2x-4)(x+3)