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Solve 7(k-3)=3k-5

First we need to multiply out the bracket

7k-21=3k-5

Then we must make sure our variable is only on one side so we need to deduct 3k from both sides

4k-21=-5

Answered by Molly B. • Maths tutor

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Solve the inequality 6y+5>8?

First think how you would solve this if it was simply an '=' sign instead of a >

Deduct 5 from both sides

This would give us 6y>3

Answered by Molly B. • Maths tutor

12616 Views

Solve the equations giving your answer in 2d.p (5 Marks).: x^2 + y^2 = 36 , x = 2y + 6

x² + y² = 36 (1)

x = 2y + 6 (2)

You can solve simulateous equations in three ways: Substitution, addition or subtraction. If one equatio...

Answered by Joseph P. • Maths tutor

14180 Views

How do I solve simultaneous equations?

Simeltanous equations are a pair of equations that have 2 unknows. In order to solve a simelatneous equation 1 of the unknows must be eliminated. This can be done by either:

1. Substitut...

Answered by Rory B. • Maths tutor

4173 Views

How can I prepare for my Maths GCSE exams?

Start by making a note of each topic that may come up in your exam. You can find these in your textbook or revision guide. Let me know if you need help finding the list of topics that your exam board uses...

Answered by Tutor21444 D. • Maths tutor

4267 Views