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

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

Answered by Shayna B. • Maths tutor

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

Related Maths GCSE answers

Expand (x+4)(x-4)=33 to give values of x

How do I factorise this expression? [Let’s say it’s x^2 + 5x + 6]

Determine if the Following equality has real roots: (3X^2) - (2X) + 4 = (5X^2) + (3X) + 9, If the equation has real roots, calculate the roots for this equation.

Tom starts with 50 balls. Amy starts with 28 balls. If Tom gives 22 balls to Amy, what percentage of balls does Tom have compared with Amy?

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

Related Maths GCSE answers

Expand (x+4)(x-4)=33 to give values of x

How do I factorise this expression? [Let’s say it’s x^2 + 5x + 6]

Determine if the Following equality has real roots: (3*X^2) - (2*X) + 4 = (5*X^2) + (3*X) + 9, If the equation has real roots, calculate the roots for this equation.

Tom starts with 50 balls. Amy starts with 28 balls. If Tom gives 22 balls to Amy, what percentage of balls does Tom have compared with Amy?

We're here to help

Company Information

Popular Requests

CLICK CEOP

MyTutor is part of the IXL family of brands:

IXL

Rosetta Stone

Wyzant

Education.com

Vocabulary.com

Emmersion

Thesaurus.com

Dictionary.com

SpanishDictionary.com

FrenchDictionary.com

Ingles.com

ABCya

© 2026 by IXL Learning

Determine if the Following equality has real roots: (3X^2) - (2X) + 4 = (5X^2) + (3X) + 9, If the equation has real roots, calculate the roots for this equation.