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 ▸

x : y = 11 : 3 x + y = 140 Find x and y


How do I solve 7x – 8 = -3x + 2?


If a bag contains 6 green balls and 3 red balls, what the probability of picking out 2 red, with and without replacement.


Issy goes to buy some fruit. She has been told by one friend that 2 apples and 3 bananas costs £3.80. She has been told by another friend that 5 apples and a banana costs £3.65. what are the individual costs of an apple and a banana?