Given that a = 3 and b = 7 ,  What is the value of 2a + b ?

This is a case of substitution. 2(3)+(7) =13

SB
Answered by Shayna B. Maths tutor

5815 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

a) Solve 6x + 13 =2x +5 (2 marks) b) Expand and simplify (q + 7)(q - 3) (2 Marks)


Where does the quadratic equation come from?


Solve equations 2x+y=9 and x+2y=6 to find x and y.


I find the percentage questions really hard, how do I answer the questions that will come up in exams?


We're here to help

contact us iconContact ustelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

MyTutor is part of the IXL family of brands:

© 2025 by IXL Learning