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

5133 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

Line L1 passes through points (4,6) and (12,2). Line L2 passes through the origin and has gradient -3. The two lines intersect at point P. Find the co-ordinates of P.


Rearrange the following equation to make T the subject: (3T+A)/2 = B


Solve the simultaneous equations: 3x+2y=11, 2x-5y=1.


Jess wants to buy 30 mugs for her tea party. She can buy them at Shop A at £3.49 each or at Shop B as a pack of 30 at £58 plus VAT at 20%. She wants to get the cheapest option. Which shop should she buy from?


We're here to help

contact us iconContact usWhatsapp logoMessage us on Whatsapptelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

© MyTutorWeb Ltd 2013–2025

Terms & Conditions|Privacy Policy
Cookie Preferences