Solve 2x+5=9

So, to solve this we want to isolate the x's on one side of the equation. We do this by subtracting 5 from both sides to give 2x=4. Then, we want to obtain a single x on one side of the equation. To do this, we divide by 2. Thus, we obtain x=2

MH

Related Maths GCSE answers

All answers ▸

How do I find the equation of a line connecting points a(p,q) and b(r,s)?


How do I factorise x^2 ​- 4?


A bottle contains 300ml of medicine, the dose for a child can be given by (m*a)/150 where m is the child's age in months and a is the adult dosage of 40ml. If you need 2 doses a day, how long will the medicine last until it's empty for a 2y/o child?


How many roots does the following equation have? 2x^2 + 4x +2 = 0