Solve 5x + 3 = 45
5x + 3 = 455x + 3 - 3 = 45 - 3 (subtract 3 from both sides)5x = 42(5x)/5 = 42/ 5 (divide both sides by 5)x = 8.4 (can either be expressed as a decimal or as fraction)
CA
Related Maths GCSE answers
All answers ▸Simplify (3x^2 - 15x)/(3x^2 - 13x -10)
differentiate x^2+10x+13
What is the fraction of blue beads?
How do you calculate ratios? Example question: 'White paint costs £2.80 per litre, Blue paint costs £3.50 per litre, White paint and blue paint are mixed in the ratio 3:2. Work out the cost of 18 litres of the mixture [4 marks]' AQA Mathematics (8300)