Search our library of Maths GCSE questions

Top answers

Maths

GCSE

Solve 5x - 7 = 3x + 2, to find the value of x

x = 4.5

Rearrange the equation, so that like terms are on the same side:

5x - 3x = 2 +7

2x = 9

Then to find x, divide 9 by 2

x = 4...

Answered by Suzy A. • Maths tutor

13357 Views

Solve the inequality 3x ≤ 4x+5

So I would begin by minusing 5 from both sides and that will give you 3x - 5 ≤ 4x. Then we want to gather our x's onto one side, so I would '-3x' from both sides which leaves you with - 5 ≤ 4x - 3 x, s...

Answered by Reni A. • Maths tutor

7577 Views

Solve this equation; 5x - 4 = 3x + 7

In order to solve equations of x it is necessary to move all the Xs over to one side and the other numbers over to the other side;

5x - 4 = 3x + 7

As 5x is greater than 3x i...

Answered by Kate E. • Maths tutor

14110 Views

Insert one pair of brackets so that this calculation is correct; 3 x 6 + 5 - 1 = 32

3 x 6 + 5 - 1 = 32
Without any brackets the answer to the calculation would be 22 following the rules of BIDMAS (Brackets, Indices, Division, Multiplication, Addition, Subtraction)

Answered by Kate E. • Maths tutor

14049 Views

Bag A contains £7.20 in 20p coins. Bag B contains only 5p coins. The number of coins in bag B is three-quarters of the number of coins in bag A. How much money is in bag B? (in £s)

We have been told that there is £7.20 in bag A, to simplify this, you can begin by turning this into pennies as well. So we have 720p in bag A. We need to know how many 20p coins this is, so we will divid...

Answered by Jessica K. • Maths tutor

4536 Views