MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Addition and Subtraction of Algebraic Expressions

Find the valu...

Question

Find the value of the following expression:
5a - 7b - 1, if a = 4 and b = 1.

A

10

No worries! We‘ve got your back. Try BYJU‘S free classes today!

B

11

No worries! We‘ve got your back. Try BYJU‘S free classes today!

C

12

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

D

13

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is C 12
(5 $\times$ 4) - (7 $\times$ 1) - 1
= 20 - 7 - 1
= 12

Suggest Corrections

thumbs-up

0

Similar questions

Q. Find the value of expression:
5a - 7b - 1, if a = 4 and b = 1.

Q. If a=2 and b=5,the value of the expression

2 a - [3 a + 4 b - (2 a - b) + 5 a - 7 b]

a, b, c

are non zero real numbers, then minimum value of the expression

(\frac{(a^{4} + a^{2} + 1) (b^{4} + 7 b^{2} + 1) (c^{4} + 11 c^{2} + 1)}{(a^{2} b^{2} c^{2})})

Q. If A and B are whole numbers such that

9 A^{2} = 12 A + 96

B^{2} = 2 B + 3

, find the value of

5 A + 7 B

.

Q. Find the value of expression:
3a - 4b - 8 + 5a + 2b, if a = 3 and b = 7.

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Addition and Subtraction of Algebraic Equations

MATHEMATICS

Watch in App

explore_more_icon

Explore more

Addition and Subtraction of Algebraic Expressions

Standard VII Mathematics

Join BYJU'S Learning Program

CrossIcon