Solve 2x + 7 = 13

In this question we are as to solve this equation and therefore find the value of x. This means we need to isolate x to find a value for it. To do this we use the reverse rules for BIDMAS whereby the first step would be takeaway 7 from both sides of the equation. This leaves you with 2x = 6. We now move onto division. Both sides of the equation need to be divided by 2 allowing the x to be isolated. This will leave you with x = 3 which is your final solution.  

BB

Related Maths GCSE answers

All answers ▸

Simplify fully (3x^2 -8x- 3)/(2x^2-6x)


Prove that the square of an odd number is always 1 more than a multiple of 4


Simplify the following: 2(3-2x) - 3(x+1)


Solve these simultaneous questions: 2y+x =8 and y-2x = -1.